{
  "version": "synthetic-b2b-v1",
  "data_kind": "synthetic-teaching",
  "notice": "Invented product records and author-defined relevance labels. No client products, AI answers, or customer metrics.",
  "documents": [
    {"id":"D1","model":"AX-220","text":"AX-220 extraction cleaner. Supply 220 V only. Tank 20 L. Indoor sealed hard floors. Do not use outdoors or on untreated wood. Manual v1, section electrical. No US 110 V compatibility claim."},
    {"id":"D2","model":"AX-110","text":"AX-110 extraction cleaner. Supply 110 V only. Tank 20 L. Indoor sealed hard floors. Do not connect to 220 V. Manual v1, section electrical."},
    {"id":"D3","model":"AX-220B","text":"AX-220B cordless floor cleaner. Battery 24 V. Charger input 220 V. Tank 12 L. Indoor sealed floors only. Charger voltage is not motor voltage."},
    {"id":"D4","model":"WD-30","text":"WD-30 wet and dry vacuum for collecting water and dust. Supply 220 V. Tank 30 L. Not a detergent extraction cleaner. Do not collect flammable liquids."},
    {"id":"D5","model":"DT-8","text":"DT-8 glue pulling dent repair kit. Eight tools for small shallow car dents. For intact original paint only. Not for cracked or repainted surfaces. No guaranteed repair result."},
    {"id":"D6","model":"HK-8","text":"HK-8 hook rod dent repair kit. Eight rods. Requires access behind the panel. No glue gun included. Not equivalent to DT-8 glue pulling kit."},
    {"id":"D7","model":"BR-6204","text":"BR-6204 bearing. Bore diameter 20 mm. Outer diameter 47 mm. Width 14 mm. Dimensions alone do not establish load, speed or lubricant compatibility."},
    {"id":"D8","model":"BR-6205","text":"BR-6205 bearing. Bore diameter 25 mm. Outer diameter 52 mm. Width 15 mm. Not interchangeable with BR-6204 based only on the product family name."},
    {"id":"D9","model":"AX-220-manual","text":"AX-220 manual appendix. The 220 V supply requirement applies to AX-220 only. Changing the plug does not convert supply voltage. Stop if the local voltage is incompatible."}
  ],
  "queries": [
    {"id":"Q1","group":"identifier","text":"AX-220 supply voltage","grades":{"D1":2,"D9":2}},
    {"id":"Q2","group":"condition","text":"AX-220 can I use it on 110 V in the US","grades":{"D1":2,"D9":2}},
    {"id":"Q3","group":"semantic","text":"machine to collect spilled water and dust","grades":{"D4":2}},
    {"id":"Q4","group":"negation","text":"glue pulling for cracked car paint","grades":{"D5":2}},
    {"id":"Q5","group":"identifier","text":"BR-6204 bore diameter","grades":{"D7":2}},
    {"id":"Q6","group":"condition","text":"AX-220B motor voltage versus charger input","grades":{"D3":2}},
    {"id":"Q7","group":"set-membership","text":"which hook rod kit includes a glue gun","grades":{"D6":2}},
    {"id":"Q8","group":"semantic","text":"small shallow car dent repair without damaged paint","grades":{"D5":2,"D6":1}},
    {"id":"Q9","group":"multilingual-stress","text":"AX-220可以接110伏电源吗","grades":{"D1":2,"D9":2}},
    {"id":"Q10","group":"no-answer","text":"AX-220 warranty duration and price","grades":{}}
  ],
  "facts": {
    "zh":{"entity_id":"demo:AX-220","model":"AX-220","voltage_v":220,"tank_l":20,"source_version":"v1","scope":"indoor-sealed-floors","evidence_id":"D1","label":"室内已密封硬质地面"},
    "en":{"entity_id":"demo:AX-220","model":"AX-220","voltage_v":220,"tank_l":20,"source_version":"v1","scope":"indoor-sealed-floors","evidence_id":"D1","label":"Indoor sealed hard floors"}
  },
  "claims": [
    {"id":"C1","text":"AX-220 requires 220 V supply.","sources":["D1"],"human_label":"supported","reason":"Exact model, quantity and condition agree with D1."},
    {"id":"C2","text":"AX-220 works on US 110 V with a plug adapter.","sources":["D1","D9"],"human_label":"contradicted","reason":"D9 explicitly says a plug change does not convert voltage."},
    {"id":"C3","text":"AX-220 has a five-year warranty.","sources":["D1"],"human_label":"insufficient","reason":"No warranty period is given. A valid link does not support this statement."},
    {"id":"C4","text":"AX-220 has a 20 L tank and works outdoors.","sources":["D1"],"human_label":"partly-supported","reason":"The capacity is supported but the outdoor condition is contradicted. Split into atomic claims."}
  ],
  "synthetic_runs": [
    {"question":"S1","before":[0,0,0],"after":[1,1,1]},
    {"question":"S2","before":[0,0,0],"after":[0,0,0]},
    {"question":"S3","before":[1,1,1],"after":[1,1,1]},
    {"question":"S4","before":[0,0,0],"after":[0,0,0]},
    {"question":"S5","before":[0,0,0],"after":[1,1,1]},
    {"question":"S6","before":[0,0,0],"after":[0,0,0]}
  ]
}