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: Bryophytes occupy niches in moist habitats. 
Sentence2: Animals and plants that live in the same place and share resources form a community biome niche .
[EX A]: niches

[EX Q]: Sentence1: All cells share some of the same structures and basic functions. 
Sentence2: Inside the cell is a structure called the nucleus.
[EX A]: cells

[EX Q]: Sentence1: Secondary meristem is located within and around the vascular tissues. 
Sentence2: Plant cells around the vascular tissues are created by mitosis.
[EX A]:
tissues