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: Microbes are also called bacteria or microorganisms. 
Sentence2: Disease-causing bacteria have a negative impact on the body.
[A]: bacteria


[Q]: Sentence1: Introns are regions that do not code for proteins. 
Sentence2: regions that do not code for proteins are removed by RNA splicing.
[A]: code


[Q]: Sentence1: For example, a fibroid is a tumor, a wart is a tumor, and cancers are tumors. 
Sentence2: cells that divide uncontrollably may form a fibroid, a wart, cancer.
[A]:
cancers