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: hurricanes convert heat energy into mechanical energy. 
Sentence2: Hurricanes use heat to move objects.
answer:
hurricanes


question:
Sentence1: Mammalian teeth are important for digestion. 
Sentence2: bats' teeth are important for digestion.
answer:
digestion


question:
Sentence1: Proteins are manufactured at the ribosomes. 
Sentence2: molecules of tRNA bringing amino acids in the correct sequence manufactures proteins.
answer:

Proteins