Write a correct answer to the given question based on its associated fact. Make sure that your answer is contained in the associated fact. Don't be creative and introduce any new word that is not mentioned in the associated fact! Remember that the associated fact has been rearranged to form the question. So, the correct answer words must lie within the associated fact. The correct answer can be a word, phrase, or even a sentence.

Input: Consider Input: Fact: Male gametes are deposited in the vagina during sexual intercourse. 
Question: What are deposited into the vagina during sexual intercourse?

Output: male gametes.


Input: Consider Input: Fact: Plants exhibit phototropism, or growing toward the sun or artificial light. 
Question: What is called when plants grow toward the sun or an artificial light?

Output: phototropism.


Input: Consider Input: Fact: Earthworm burrows help aerate soil, which is essential for growing plants. 
Question: Earthworm burrows help aerate soil, which is essential for what?


Output: growing plants.