In this task, you are given a fact statement and question based on the fact. Your task is to generate the correct answer for the question. The answer needs to be generated using the context fact statement.

[Q]: Fact: if an organism dies then the population of that organism will decrease. Question: One day a zebra dies. Zero baby zebras were born in the herd on that day.?
[A]: the population went down


[Q]: Fact: living underground can be used for hiding from predators. Question: A mole can avoid being detected by hawks, owls and other predators by?
[A]: traveling beneath soil


[Q]: Fact: migration is when animals move to different locations in an annual cycle. Question: Which phenomenon is studied about once annually?
[A]:
geese travelling