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: Warm temperatures have helped plant growth and sizing. 
Sentence2: a greenhouse helps  plant growth.

A: growth
****
Q: Sentence1: the force of water against the seed coat causes a root to emerge from a seed. 
Sentence2: Germination depends on the seed coat.

A: coat
****
Q: Sentence1: Before puberty, adolescents experience their highest nutritional demand since infancy. 
Sentence2: Before beginning sexual maturity, adolescents experience their highest nutritional demand since infancy.

A:
adolescents
****