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.

Sentence1: wiring requires an electrical conductor. 
Sentence2: Gold is an excellent conductor of electricity.
conductor

Sentence1: an earthquake causes the ground to shake. 
Sentence2: A number of buildings in Istanbul also were damaged in the earthquake.
earthquake

Sentence1: eating food that contains pesticides can have a negative impact on humans. 
Sentence2: All pesticides that contain DDT are dangerous pesticides.

pesticides