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.

[Q]: Sentence1: Arthropods Arthropods have jointed segmented exoskeletons. 
Sentence2: Insects have jointed segmented exoskeletons.
[A]: exoskeletons


[Q]: Sentence1: Digestion is the process of breaking down food into components the body can absorb. 
Sentence2: Saliva starts to break down the food.
[A]: breaking


[Q]: Sentence1: Poisoning is similar to paralytic shellfish poisoning . 
Sentence2: Paralytic shellfish cause harm to living things.
[A]:
paralytic