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: Minerals are chemical elements that are essential for body processes. 
Sentence2: minerals are needed by body processes.

SOLUTION: processes

PROBLEM: Sentence1: Nonmetal elements are far fewer in number. 
Sentence2: There are 17 nonmetals on the periodic table.

SOLUTION: Nonmetal

PROBLEM: Sentence1: Salt particles come from the ocean as the spray of waves evaporates, leaving salt particles suspended in the air. 
Sentence2: Adding something from the ocean to a liquid decreases the melting point of that liquid.

SOLUTION:
from