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: The mars rover collected round clumps of crystals that, on earth, usually form in what? Answer: water
[EX A]: The mars rover collected round clumps of crystals that, on earth, usually form in water.

[EX Q]: Question: What occurs before the endometrium thickens in estrous cycles? Answer: ovulation
[EX A]: Ovulation occurs before the endometrium thickens in estrous cycles.

[EX Q]: Question: Bacteria, viruses, fungi, and protozoa are examples of what, the term for a disease-causing microorganism? Answer: pathogen
[EX A]:
Bacteria, viruses, fungi, and protozoa are examples of a pathogen, the term for a disease-causing microorganism.

