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: Dams are very damaging to rivers. 
Sentence2: Creating a lake can be very damaging to rivers.

A: damaging
****
Q: Sentence1: Minerals are chemical elements that are essential for body processes. 
Sentence2: minerals are needed by body processes.

A: processes
****
Q: Sentence1: a solar panel converts sunlight into electricity. 
Sentence2: Sunlight is composed of photons, or particles of solar energy.

A:
sunlight
****