query: What's wrong with this car model?
positive_passages.docid: 16679
positive_passages.text: Why doesn't this perpetual motion machine using magnets work?
negative_passages.docid: 99979
negative_passages.text: Why, when one opens 1 car window, does that noise occur?
negative_passages.docid: 119965
negative_passages.text: Tough roast.. what's going wrong?
negative_passages.docid: 158269
negative_passages.text: What causes chain suck?
negative_passages.docid: 122441
negative_passages.text: Gash where valve meets tire tube; How could this happen, and can I fix it?
negative_passages.docid: 71494
negative_passages.text: Why does a single radiator need regular bleeding?
negative_passages.docid: 23252
negative_passages.text: Strange Spinner. How to fix it?
negative_passages.docid: 57899
negative_passages.text: How to fix the weird surface in fluid object
negative_passages.docid: 115827
negative_passages.text: Advanced airplane problem
negative_passages.docid: 752
negative_passages.text: Can you help me identify this "thing"?
negative_passages.docid: 83880
negative_passages.text: How to decide whether to replace or repair?
negative_passages.docid: 92877
negative_passages.text: How does the Weasley's car run?
negative_passages.docid: 82512
negative_passages.text: Why did my windshield freeze instantaneously?
negative_passages.docid: 36591
negative_passages.text: Are there other explanations for slow tyre pressure loss?
negative_passages.docid: 152009
negative_passages.text: Classical car collision
negative_passages.docid: 95369
negative_passages.text: Why does the wheel of a car appear to be moving in opposite direction?
negative_passages.docid: 108702
negative_passages.text: How can I model this kind of thing?