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: Most fungi get organic compounds from dead organisms. 
Sentence2: Moulds, yeasts, rusts, smuts, mildews, and mushrooms are all types of fungi.

SOLUTION: fungi

PROBLEM: Sentence1: Mitosis is cell division. 
Sentence2: mitosis often causes growth.

SOLUTION: Mitosis

PROBLEM: Sentence1: hurricanes convert heat energy into mechanical energy. 
Sentence2: Mechanical energy can be changed to electrical energy.

SOLUTION:
mechanical