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.

Q: Sentence1: Crops are plants that are grown for food or other uses. 
Sentence2: insects destroy plants.

A: plants
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Q: Sentence1: Leaves make food for the plant. 
Sentence2: Some producers have leaves to help use energy and inorganic molecules.

A: Leaves
****
Q: Sentence1: Fertilization occurs when sperm swim to an egg inside an archegonium. 
Sentence2: fertilization requires water.

A:
Fertilization
****