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: Some trees are maples. 
Sentence2: planting maples has a positive impact on an ecosystem.
answer:
maples


question:
Sentence1: Translation reads the genetic code in mRNA and makes a protein. 
Sentence2: Nucleotide sequences are read in mRNA and a protein is made.
answer:
mRNA


question:
Sentence1: a flashlight requires a source of electricity to produce light. 
Sentence2: a lantern requires a source of electricity to produce light.
answer:

electricity