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.

[EX Q]: Sentence1: For example, in the sentence The rain destroyed the crops , The rain is the subject. 
Sentence2: If weather is stormy then there is a chance of destroyed crops.
[EX A]: crops

[EX Q]: Sentence1: the Earth being tilted on its rotating axis causes seasons. 
Sentence2: the planet's orbit and tilt causes seasons.
[EX A]: seasons

[EX Q]: Sentence1: Chordates have a complete digestive system and a closed circulatory system. 
Sentence2: Vertebrates have a complete digestive system and a closed circulatory system.
[EX A]:
circulatory