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: Heat and temperature are the same. 
Sentence2: a thermometer is used to measure heat.
answer:
Heat


question:
Sentence1: Introns are regions that do not code for proteins. 
Sentence2: regions that do not code for proteins are removed by RNA splicing.
answer:
code


question:
Sentence1: Adult sponges produce eggs and sperm. 
Sentence2: Sponges are the most primitive multicellular animals.
answer:

sponges