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: chemical splashing can cause harm to humans. 
Sentence2: chemical splashing can cause harm to animals.
answer:
cause


question:
Sentence1: burning fossil fuels increases the carbon in the atmosphere. 
Sentence2: the byproduct of fossil fuels is carbon.
answer:
carbon


question:
Sentence1: Dromaeosaurs are part of the theropod group of dinosaurs. 
Sentence2: bids evolved from a group of bipedal dinosaurs called dromaeosaur.
answer:

Dromaeosaurs