query: Why are there ashtrays on airplanes?
positive_passages.docid: 153572
positive_passages.text: Why are there ashtrays in the bathrooms on nonsmoking flights?
negative_passages.docid: 94934
negative_passages.text: Could we dispense the near clipping plane?
negative_passages.docid: 125049
negative_passages.text: Can I wear a lapel pin through airport security?
negative_passages.docid: 156187
negative_passages.text: Will my checked luggage freeze in the airplane?
negative_passages.docid: 57149
negative_passages.text: Why don't brakes come with 'Safety Levers' any more?
negative_passages.docid: 56181
negative_passages.text: Why "step into a car" but "step onto a plane"
negative_passages.docid: 121364
negative_passages.text: Food in hand luggage
negative_passages.docid: 30785
negative_passages.text: How many smartphones can I take on an airplane?
negative_passages.docid: 97971
negative_passages.text: Why does a plane look like it's slower than a car?
negative_passages.docid: 79100
negative_passages.text: Can I bring a pack of razor blades on a plane?
negative_passages.docid: 75243
negative_passages.text: Why are airline passengers asked to lift up window shades during takeoff and landing?
negative_passages.docid: 7836
negative_passages.text: What plane type will I need to go transatlantic in Pocket Planes?
negative_passages.docid: 28235
negative_passages.text: What happens when you put a Portable Hole inside a Bag of Holding while on the Astral plane?
negative_passages.docid: 99319
negative_passages.text: Why are there metal shavings in my brake pads?
negative_passages.docid: 103570
negative_passages.text: Can I carry spare Lithium-Ion batteries with me on Lufthansa?
negative_passages.docid: 158069
negative_passages.text: Is it possible to travel on cargo airplanes?
negative_passages.docid: 106936
negative_passages.text: Are aerosol cans allowed and safe, in checked luggage?