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: All frogs are amphibians. 
Sentence2: frogs have permeable skin that easily absorbs substances from the environment.
answer:
frogs


question:
Sentence1: Interest in fossils is worldwide. 
Sentence2: paleontologists study something with worldwide interest.
answer:
Interest


question:
Sentence1: Spores are somewhat like seeds. 
Sentence2: Sporangia produce seeds that develop into tiny heart shaped gametophytes.
answer:

seeds