instruction:
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.
question:
Sentence1: Enveloped viruses make their own membranes. 
Sentence2: Some viruses make their own membranes.
answer:
make


question:
Sentence1: bacteria can cause people to become ill. 
Sentence2: bacteria can cause people to die.
answer:
bacteria


question:
Sentence1: a radio converts electrical energy into vibrations. 
Sentence2: All sound is caused by vibrations.
answer:

vibrations