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: 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: dew is formed when water vapor condenses over night. 
Sentence2: When water vapor condenses overnight, the temperature has reached the dew point.
[A]: condenses


[Q]: Sentence1: freezing means changing from a liquid into a solid by reducing heat energy. 
Sentence2: Solidification , or freezing, occurs when a liquid turns into a solid.
[A]:
freezing