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: Oh, well, welcome to Cold Stone. 
 Response 1: Hey look, I know that you make your ice cream on a stone. Can I get some of that stone in the ice cold ice cream? 
 Response 2: But it originated with Phish, because of the longer concerts.

Response 1