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.

[EX Q]: Sentence1: Mollusks live in most terrestrial, freshwater, and marine habitats. 
Sentence2: Clams live in freshwater habitats.
[EX A]: freshwater

[EX Q]: Sentence1: Some herbivores have more than one stomach. 
Sentence2: Camels are an herbivore.
[EX A]: herbivores

[EX Q]: Sentence1: Caecilians can be found in moist soil near rivers and streams in tropical regions. 
Sentence2: caecilians can be found in warm regions.
[EX A]:
Caecilians