TASK DEFINITION: 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.
PROBLEM: Question: What occurs when a substance reacts quickly with oxygen? Answer: combustion reaction

SOLUTION: Combustion reaction occurs when a substance reacts quickly with oxygen.

PROBLEM: Question: Catecholamines are a class of amine hormones synthesised form which amino acid? Answer: tyrosine

SOLUTION: Catecholamines are a class of amine hormones that when synthesised form the amino acid tyrosine.

PROBLEM: Question: What muscles are used to pump water over the gills? Answer: jaws and pharynx

SOLUTION:
Jaws and pharynx muscles are used to pump water over the gills.