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: Aggression is behavior that is intended to cause harm or pain. 
Sentence2: Verbal violence is behavior that is intended to cause harm or pain.
[EX A]: behavior

[EX Q]: Sentence1: Antibodies are large, Y-shaped proteins that recognize and bind to antigens. 
Sentence2: Some of the antibodies, antophospholipid antibodies, cause blood clots.
[EX A]: Antibodies

[EX Q]: Sentence1: Sperm are deposited in the vagina during sexual intercourse. 
Sentence2: Pregnancy is evidence of sperm being deposited in the vagina.
[EX A]:
Sperm