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 weathering is when a plant root grows into a crack in rock. Question: Weathering could be?
changing a statue to dust

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

Fact: if two objects have the same charge then those two materials will repel each other. Question: if two objects have the same charge then those two materials will effect each other how?

unattract