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: Basically the process is pretty simple. 
Sentence2: All cells share some of the same structures and simple processes.

SOLUTION: process

PROBLEM: Sentence1: Cows are social animals. 
Sentence2: when a cow moves, chemical energy is converted to mechanical energy.

SOLUTION: Cows

PROBLEM: Sentence1: Bladder infections can be treated with antibiotics prescribed by a doctor. 
Sentence2: Bacteria can be killed with what is prescribed by a doctor.

SOLUTION:
doctor