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: if an object is made of a material then that object has the properties of that material. 
Sentence2: An object is an item in the real world.
answer:
object


question:
Sentence1: if an animal sweats then that animal 's bodily water decreases. 
Sentence2: When an animal regulates their body temperature by releasing water, their bodily water decreases.
answer:
bodily


question:
Sentence1: Freezing water expands cracking and breaking the rocks. 
Sentence2: Ice wedging is when freezing water expands and breaks rocks.
answer:

Freezing