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: Nitrogen is found in proteins, nucleic acids, and chlorophyll. 
Sentence2: Lawns eat nitrogen.

A: Nitrogen
****
Q: Sentence1: a plant requires sunlight to grow. 
Sentence2: Grass needs air and sunlight.

A: sunlight
****
Q: Sentence1: Light is the oscillations in the electric field. 
Sentence2: Incandescent bulbs convert electricity into oscillations in the electric field.

A:
electric
****