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: Blood is a fluid connective tissue. 
Sentence2: A fluid connective tissue carries oxygen to the brain.
[EX A]: connective

[EX Q]: Sentence1: All sharks are predators. 
Sentence2: hiding can be used for avoiding sharks.
[EX A]: sharks

[EX Q]: Sentence1: Honeypot ants are classified in the genus Myrmecocystus. 
Sentence2: Members of the Myrmecocystus genus communicate via chemicals called pheromones.
[EX A]:
Myrmecocystus