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: Producers make food from inorganic molecules. 
Sentence2: Decomposition is the breakdown of organic molecules into inorganic molecules.

SOLUTION: inorganic

PROBLEM: Sentence1: intense heat has a negative impact on an organism. 
Sentence2: intense heat has a negative impact on plants.

SOLUTION: heat

PROBLEM: Sentence1: conserving water can be used for survival in a dry environment. 
Sentence2: Plants survive with the help of water.

SOLUTION:
survival