instruction:
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.
question:
Sentence1: Warm temperatures have helped plant growth and sizing. 
Sentence2: a greenhouse helps  plant growth.
answer:
growth


question:
Sentence1: Flies are insects with two wings. 
Sentence2: Flies are arthropods with two wings.
answer:
Flies


question:
Sentence1: After the mating of gametes, zygots are formed. 
Sentence2: gametes mate into zygotes.
answer:

zygots