question: Given the fact "Matter in the gas phase has variable volume", what is the answer to "Which is least likely to have a constant volume?"

answer: car exhaust

question: Given the fact "if something contains a large amount of magnetic material then that something will attract magnets", what is the answer to "What would potentially be attracted to a magnet?"

answer: a zipper

question: Given the fact "An example of migration is birds flying south in the winter", what is the answer to "An example of migration is"

answer: when flocks relocate

question: Given the fact "earthworms create tunnels in soil", what is the answer to "Moles are underground a lot of the time, and since few animals live there, they are unlikely to be"

answer:
killed by others