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.

Fact: An example of migration is birds flying south in the winter. Question: An example of migration is?
when flocks relocate

Fact: grey clouds appear before precipitation. Question: In the intermediary before rain falls, observers may note?
menacing skies

Fact: fat is used to keep animals warm. Question: Two bears, one weighing 200 pounds and another weighing 150 pounds are about to enter winter. The bear with the most weight will be?

better suited to survive