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.

Input: Consider Input: Fact: runoff contains pesticides from cropland. Question: A lake is unsafe for swimming because it is a bit below some farmlands that use?

Output: pesticides


Input: Consider Input: Fact: a body of water is a source of water. Question: As water increases in an environment the number of aquatic animals such as zooplankton, nekton, and benthos will?

Output: on the up


Input: Consider Input: Fact: if a tree is located near a sidewalk then the roots of that tree might crack the sidewalk. Question: When tree roots grow, sometimes they?


Output: break hard objects