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: wind is used for producing electricity. 
Sentence2: Wind is caused because of pressure differences in the atmosphere.
answer:
wind


question:
Sentence1: a switch is used to start the flow of current in an electrical circuit. 
Sentence2: The flow of electrical current powers a light bulb.
answer:
current


question:
Sentence1: Aminoacylation is the adding of an amino acid to the tRNA molecule. 
Sentence2: Aminoacylation bring amino acids to the ribosome in the correct sequence.
answer:

Aminoacylation