Given the task definition and input, reply with output. You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: The park is free. There are several Indian places on the Westside. Do you have a price range you're looking for? Otherwise I'd suggest Tandoori Palace. Sentence2: Nothing else. Thank you so much for your help. Goodbye. Sentence3: The reference number is RGA0Z1UO . Can I help with anything else today? Perhaps a taxi? Sentence4: The address is wandlebury ring, gog magog hills, babraham. Sentence5: I was able to book that taxi for you. Be looking for a blue Tesla. If you need to reach them, please call 07337861818. Anything else I can help with? Sentence6: Yes, I think so. Let's try that. Can you tell me their address please? Sentence7: We have several, in several different parts of town. I can recommend Wandlebury Country Park in the south. Would that suit you? Sentence8: Is there an entrance fee? I would also like a restaurant serving Indian food that is in the west. What can you recommend? Sentence9: Yes I need a taxi between the two places please. Sentence10: I need it to get me to the Tandoori Palace in time for my reservation. So 15:15? Sentence11: Sure! when would you like to leave or arrive by? Sentence12: Can I have the reference number please? Sentence13: You're welcome. Have a nice day. Sentence14: I was able to book you a table for 3 at Tandoori Palace on Saturday at 15:15. Can I help you more today? Sentence15: No, Tandoori Palace sounds good. Please book that for 3 people at 15:15 on Saturday. Sentence16: I am hoping to try some restaurants while in town but before that, I would like to go to a park. Question: Who has spoken the sentence 2? (A) User (B) System
Answer: (A) User