TASK DEFINITION: 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.
PROBLEM: Sentence1: Spikes are forceful the tidal waves of electric current. 
Sentence2: spikes come from tidal energy.

SOLUTION: Spikes

PROBLEM: Sentence1: Damage is intensified by moisture stress during drought. 
Sentence2: low amounts of rainfall intensify damage during drought.

SOLUTION: Damage

PROBLEM: Sentence1: Ribosomes are sites where proteins are made. 
Sentence2: Ribosomes consist of RNA and proteins.

SOLUTION:
proteins