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: Animals can communicate with sounds, chemicals, or visual cues. 
Sentence2: cats can communicate with sounds, chemicals or visual cues.
[A]: chemicals


[Q]: Sentence1: Every photograph is produced by a camera. 
Sentence2: Photographers record images.
[A]: photograph


[Q]: Sentence1: Organisms that live in marine biomes must be adapted to the salt in the water. 
Sentence2: Organisms or living beings are literally things that are alive.
[A]:
Organisms