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: Excretion is the process of removing wastes and excess water from the body. 
Sentence2: parasites remove waste from their bodies.
[EX A]: wastes

[EX Q]: Sentence1: Methane gas is a produced by rotting compost, trash, and human waste. 
Sentence2: Methane gas can be produced by Slime molds.
[EX A]: Methane

[EX Q]: Sentence1: nerves can be used to feel heat and pressure on the skin. 
Sentence2: nerves endings can feel cold.
[EX A]:
nerves