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: Veins generally carry deoxygenated blood. 
Sentence2: Blood carries blood cells.

SOLUTION: blood

PROBLEM: Sentence1: Mammals that are viviparous are called therian mammals. 
Sentence2: Mouse-sized viviparous mammals evolved by Jurassic times.

SOLUTION: Mammals

PROBLEM: Sentence1: using cell phones can cause people to become distracted. 
Sentence2: Aggressive driving combined with a distracted driver can quickly escalate into a lethal situation.

SOLUTION:
distracted