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.

Sentence1: the vanes rotating in an electric fan causes air to move. 
Sentence2: Many computer Cases cool down temperature by using Cooling Fan.
fan
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.

Sentence1: the vanes rotating in an electric fan causes air to move. 
Sentence2: Many computer Cases cool down temperature by using Cooling Fan.
user
fan
assistant
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.

Sentence1: the vanes rotating in an electric fan causes air to move. 
Sentence2: Many computer Cases cool down temperature by using Cooling Fan.
fan