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.

[EX Q]: Question: Herbivores are heterotrophs that eat only or mainly what? Answer: plants
[EX A]: Herbivores are heterotrophs that eat only or mainly plants.

[EX Q]: Question: What planet is the easiest to observe? Answer: mars
[EX A]: Mars planet is the easiest to observe.

[EX Q]: Question: Which kinds of cells have nuclei and other membrane bound organelles? Answer: eukaryotes
[EX A]:
Eukaryotes have nuclei and other membrane bound organelles.