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.
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Question: Sentence1: friction causes the temperature of an object to increase. 
Sentence2: internal combustion engines get hot.

Answer: temperature


Question: Sentence1: moss causes chemical weathering. 
Sentence2: If the moss was completely dried then it is dead.

Answer: moss


Question: Sentence1: Centrioles are organelles involved in cell division. 
Sentence2: basal bodies are involved in cell division.

Answer:
cell