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: Basically the process is pretty simple. 
Sentence2: All cells share some of the same structures and simple processes.

SOLUTION: process

PROBLEM: Sentence1: poisonous darts are used for defense by sea anemones. 
Sentence2: poisonous darts are used for protection by sea anemones.

SOLUTION: anemones

PROBLEM: Sentence1: Many orchids are rewarding indoor plants. 
Sentence2: orchids have a characteristic life cycle that includes alternation of generations.

SOLUTION:
orchids