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.

[Q]: Question: The cubic crystal system is composed of how many different types of unit cells? Answer: three
[A]: The cubic crystal system is composed of three many different types of unit cells.


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


[Q]: Question: What are the major types anchoring proteins? Answer: claudins and occludins
[A]:
Claudins and occludins are the major types anchoring proteins.