In this task, you are given a sentence and a question, you would be asked to create the answer which is contained in the sentence provided.
--------
Question: Sentence: Animals produce most of enzymes chemicals, which are needed to synthesize the fatty acids they need. Question: Animals produce most of what chemicals, which are needed to synthesize the fatty acids they need?

Answer: enzymes


Question: Sentence: Interstitial fluid are all hormones secreted into before entering the circulatory system. Question: Where are all hormones secreted into before entering the circulatory system?

Answer: interstitial fluid


Question: Sentence: Ectothermic is the term for animals that  cannot raise their body temperature on their own. Question: What is the term for animals that  cannot raise their body temperature on their own?

Answer:
ectothermic