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.

[Q]: Sentence1: Blood is a fluid connective tissue. 
Sentence2: A fluid connective tissue carries oxygen to the brain.
[A]: connective


[Q]: Sentence1: if an organism becomes too hot then that organism may die. 
Sentence2: a plant can collapse if it gets too hot.
[A]: hot


[Q]: Sentence1: Extremely high winds can cause extensive damage. 
Sentence2: Uneven heating of the Earth's surface can cause extensive damage.
[A]:
can