instruction:
In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.
question:
Question: What planet is the easiest to observe? Answer: mars
answer:
Mars planet is the easiest to observe.


question:
Question: What is the lowest level of organism that can perform all activities required for life? Answer: cell
answer:
A(n) cell is the lowest level of organism that can perform all activities required for life.


question:
Question: What is a copy of an image formed by reflection or refraction? Answer: an image
answer:

An image is a copy of an image formed by reflection or refraction.