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 is the name of the location in which a stream or river starts? Answer: source
answer:
Source is the name of the location in which a stream or river starts.


question:
Question: What happens to water molecules during the boiling process? Answer: They move faster and move farther apart as they absorb heat.
answer:
They move faster and move farther apart as they absorb heat happens to water molecules during the boiling process.


question:
Question: Like all tetrapods except birds and mammals, frogs possess a heart with what structure? Answer: three chambers
answer:

Like all tetrapods except birds and mammals, frogs possess a heart with three chambers.