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: Animals can communicate with sounds, chemicals, or visual cues. 
Sentence2: cats can communicate with sounds, chemicals or visual cues.

SOLUTION: chemicals

PROBLEM: Sentence1: nectar is used for attracting pollinators by plants. 
Sentence2: butterflies pollinate plants.

SOLUTION: plants

PROBLEM: Sentence1: a generator converts kinetic energy into electrical energy. 
Sentence2: Generator A generator produces electricity.

SOLUTION:
generator