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: an animal requires nutrients to grow and heal. 
Sentence2: Microbes can help an animal to grow and heal.
answer:
grow


question:
Sentence1: Carpools and vanpools can save time. 
Sentence2: vanpools decrease the amount of cars used to travel to a place.
answer:
vanpools


question:
Sentence1: the Earth being tilted on its rotating axis causes seasons. 
Sentence2: Weather and Seasons Weather and seasonal changes affect all plants and animals.
answer:

seasons