Detailed Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: Thank you for using the Cambridge restaurant system. Good bye. Sentence2: Hello, I am looking for a moderately priced restaurant on the east part of town. Sentence3: curry prince and rajmahal which both serve indian food. And pizza hut fen ditton serves italian food. Sentence4: there are three venues to choose from Sentence5: Absolutely. Curry Prince's address is 451 Newmarket Road Fen Ditton. Is there anything else I can do for you? Sentence6: Do you have a preference on type of food? Sentence7: ok, what are they? Sentence8: Thank you, goodbye. Sentence9: Could I get the address of one of them? Sentence10: I don't care. Question: Who has spoken the sentence 6? (A) User (B) System
A:
Answer: (A) User