Generate an overlapping word between the given two sentences. When you find the overlapping words, they don't have to match exactly, e.g., "survival" and "survive" are valid overlapping words. Little words like "the" or "of" don't count! You must generate significant words which are not the stop words.
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Question: Sentence1: the ovaries are used in reproduction. 
Sentence2: Egg released by the ovary.

Answer: ovaries


Question: Sentence1: Most pituitary hormones control other endocrine glands. 
Sentence2: Hormones tell the ovaries to produce eggs.

Answer: hormones


Question: Sentence1: Body functions are interrelated. 
Sentence2: hormones are interrelated.

Answer:
interrelated