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: Carbon cycles quickly between organisms and the atmosphere. 
Sentence2: the atmosphere is essential to all living organisms.

SOLUTION: organisms

PROBLEM: Sentence1: if an object is made of a material then that object has the properties of that material. 
Sentence2: If an object is made of a drug, then that object has the properties of that drug.

SOLUTION: made

PROBLEM: Sentence1: Dilation makes the eye very sensitive to sunlight. 
Sentence2: Dilation makes the pupils sensitive.

SOLUTION:
Dilation

