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.
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Question: Question: Most reptiles lay what kind of eggs? Answer: amniotic

Answer: Most reptiles lay amniotic eggs.


Question: Question: Does blood flow increase or decrease when blood vessels constrict? Answer: decrease

Answer: Blood flow decrease when blood vessels constrict.


Question: Question: How many classes of biochemical compounds are there? Answer: four

Answer:
There are four classes of biochemical compounds.