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: Fully cooking oysters kills the bacteria. 
Sentence2: Fully cooking oysters can prevent illness.

SOLUTION: Fully

PROBLEM: Sentence1: Sand and mud are examples of sediments. 
Sentence2: layers of sand over the remains of organisms over time can create fossils.

SOLUTION: Sand

PROBLEM: Sentence1: electrical current running through a wire causes that wire to heat up. 
Sentence2: High currents waste energy by heating up the wire.

SOLUTION:
heat