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: healing requires rest. 
Sentence2: healing requires time.

SOLUTION: healing

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: adding salt to a solid decreases the freezing point of that solid. 
Sentence2: Freezing point depression is a colligative property.

SOLUTION:
freezing