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.
--------
Question: Fact: a flower produces pollen and seeds. Question: If a thing has both seeds and reproductive dust, it is?

Answer: a producer

Question: Fact: ink is used for hiding from predators by octopuses. Question: A person in a suit near a sunken ship is sprayed in the face with a dark substance by?

Answer: a cephalopod

Question: Fact: food is a source of energy for animals. Question: food is a source of energy for what?

Answer:
grass snakes