You will be given a definition of a task first, then some input of the task.
You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: Sure, can you book it for 6 people on friday at 17:15 please? And then give me the reference number Sentence2: I'm glad I could help, have a great time. Sentence3: How does the Golden wok sound? It is close to that area. Sentence4: I would also like to eat some Chinese food near the hotel. Sentence5: That is all for now. Thank you for all your help. Sentence6: I have you booked at the Acorn Guesthouse, six people for four nights. Your confirmation is GLVBZVYO Sentence7: Yes, please! I'd like a room for 6 people. We'll arrive on Friday and stay for 4 nights. Sentence8: Successfully booked. Your reference number is XZZTYRWB . What else would you like help with? Sentence9: Best wishes for an enjoyable stay from the Cambridge TownInfo Centre. Goodbye. Sentence10: Thanks so much, goodbye! Sentence11: Alexander bed and breakfast looks good, would you like to try that? Sentence12: I need it to be in the north area, is Alexander bed and breakfast located there? Sentence13: Hello I am new to Cambridge and was wondering about good 4 star hotels with free wifi. Any suggestions? Sentence14: No, but the Acorn Guest House is in the north. Would you like a room there? Question: Who has spoken the sentence 2? (A) User (B) System
Output:
Answer: (A) User