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: if two objects have the same charge then those two materials will repel each other. Question: if two objects have the same charge then those two materials will effect each other how?

Answer: unattract


Question: Fact: In the food chain process some types of plankton have the role of producer. Question: Plankton can be the food as well as the creator of?

Answer: nourishment


Question: Fact: planting native plants has a positive impact on an ecosystem. Question: local plant varieties are the best for improving the local?

Answer:
environs