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: Hair helps to insulate and protect the body. 
Sentence2: most mammals have insulation that also protects the body.

SOLUTION: body

PROBLEM: Sentence1: Petals attract pollinators to the flower. 
Sentence2: Something a daisy has attracts pollinators.

SOLUTION: attract

PROBLEM: Sentence1: Osteoclasts are specialized cells known to play a key role in bone resorption and bone remodeling. 
Sentence2: Healing of fractures requires cells specialized in bone remodeling.

SOLUTION:
bone