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: wiring requires an electrical conductor. 
Sentence2: Gold is an excellent conductor of electricity.
[A]: conductor


[Q]: Sentence1: the mass of a planet causes the pull of gravity on that planet. 
Sentence2: the mass of a planet is what causes things to have weight.
[A]: mass


[Q]: Sentence1: Abuse means causing intentional pain or harm. 
Sentence2: Aggression is behavior that is intentionally abusive.
[A]:
Abuse