In this task, you are given a question and a corresponding answer. Your task is to generate a fact statement that is useful in answering the given question.

Ex Input:
Question: A way in which humans may cause pollution to the environment is? Answer: using bug killer on crops.

Ex Output:
pollution is when humans pollute the environment with pollutants


Ex Input:
Question: O2 molecules stacked on top of each other create weight which is then tallied by a? Answer: barometer.

Ex Output:
a barometer is used to measure air pressure


Ex Input:
Question: An acquired characteristic is? Answer: a permanent welt gotten many years ago.

Ex Output:

an organism 's environment affects that organism 's acquired characteristics