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: Angiosperm sporophyte is dominant. 
Sentence2: Flowers form on angiosperms.
answer:
Angiosperm


question:
Sentence1: bacteria cause food to spoil. 
Sentence2: Food poisoning occurs when spoiled food is eaten.
answer:
spoil


question:
Sentence1: And in winter it s very cold. 
Sentence2: In winter animals can adapt.
answer:

winter