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: dew is formed when water vapor condenses over night. 
Sentence2: Condensing is a gas turning into a liquid.
[A]: condenses


[Q]: Sentence1: Viruses contain DNA but not much else. 
Sentence2: viruses contain encoded information but not much else.
[A]: Viruses


[Q]: Sentence1: Communication is the exchange of information, ideas and emotions. 
Sentence2: Animals exchange information with sounds, chemicals or visual cues.
[A]:
exchange