You will be given a definition of a task first, then some input of the task.
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.

Sentence1: Friction Rubbing an object on another object can produce friction. 
Sentence2: rubbing an object on another object causes the temperature of an object to increase.
Output:
Rubbing
You will be given a definition of a task first, then some input of the task.
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.

Sentence1: Friction Rubbing an object on another object can produce friction. 
Sentence2: rubbing an object on another object causes the temperature of an object to increase.
Output:
user
Rubbing
assistant
You will be given a definition of a task first, then some input of the task.
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.

Sentence1: Friction Rubbing an object on another object can produce friction. 
Sentence2: rubbing an object on another object causes the temperature of an object to increase.
Output:
Rubbing