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.
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Question: Fact: landfills have a negative impact on the environment. Question: Which is a positive impact on the bio environment?

Answer: making sure trash is reused for new reasons


Question: Fact: a plant 's roots slowly break down rocks as the roots grow. Question: What is the most likely cause of split rocks on a mountain slope?

Answer: pine tree roots


Question: Fact: if battery in an electromagnet is active then the nail in the electromagnet will become magnetic. Question: What will become magnetic in an electromagnet if the battery becomes active?

Answer:
A construction nail