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: Contact with infected blood, contaminated needles. 
Sentence2: scraping oneself on an infected needle may cause infection.

SOLUTION: infected

PROBLEM: Sentence1: Chromosomes are the form of the genetic material of a cell during cell division. 
Sentence2: Microtubules move the genetic material of a cell during cell division.

SOLUTION: cell

PROBLEM: Sentence1: Once a hurricane reaches land the source of warm moist air is extinguished and the hurricane dies. 
Sentence2: Warm moist air can cause a hurricane to weaken.

SOLUTION:
air