Definition: "Yes, and" is a rule-of-thumb in improvisational comedy that suggests that a participant in a dialogue should accept what another participant has stated ("Yes") and then expand on that line of thought or context ("and..."). Given a prompt and two responses, identify which response is the type of "yes, and". Indicate your answer by 'Response 1' if the first response is correct, otherwise 'Response 2'.  Note that a "Yes, and" does not require someone explicitly saying 'yes, and...' as part of a dialogue exchange.
Input: Prompt: Not only does the rat sing, but it also has the keys to my car. 
 Response 1: Yeah, how we gonna get back home if we don't find the rat? 
 Response 2: They wanted to go, sir. You've been keeping them inside that ivory tower like some sort of Repunzels, but you won't even let them let their hair down.

Response 1