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.

[EX Q]: Fact: electricity causes less pollution than gasoline. Question: People are switching to electric cars because cars that use gas?
[EX A]: dirty the air

[EX Q]: Fact: fossils are formed when layers of sediment cover the remains of organisms over time. Question: When liquefied soil flows over carcasses and drys it will become?
[EX A]: fossilized

[EX Q]: Fact: An example of seed dispersal is animals eating seeds. Question: When a bear eats berries he will be contributing to what process?
[EX A]:
seed propagation