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: Cells are programmed to divide only a set number of times. 
Sentence2: Cells reproduce asexually, by dividing.

SOLUTION: divide

PROBLEM: Sentence1: exercise increases a body 's strength. 
Sentence2: Exercise is more than running and lifting.

SOLUTION: exercise

PROBLEM: Sentence1: being exposed to wind can cause erosion of soil. 
Sentence2: On bare, dry soil, wind erosion can remove significant quantities of topsoil.

SOLUTION:
soil