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: Blood type is important for medical reasons. 
Sentence2: Type O is important for medical reasons.

SOLUTION: important

PROBLEM: Sentence1: Scientists still know relatively little about Archaea. 
Sentence2: scientists still know relatively little about non-bacterial prokaryotes.

SOLUTION: Scientists

PROBLEM: Sentence1: when a hurricane moves over land , that hurricane will decrease in strength. 
Sentence2: When hurricanes move over continents, their strength decreases.

SOLUTION:
decrease