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


[Q]: Sentence1: Enveloped viruses make their own membranes. 
Sentence2: Some viruses make their own membranes.
[A]: make


[Q]: Sentence1: Nematodes are microscopic, true roundworms. 
Sentence2: Nematodes reproduce sexually.
[A]:
Nematodes