You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Input: Consider Input: Sentence1: Great. I booked six tickets on TR4095 departing at 11:35 and arriving in cambridge at 11:52. Your confirmation number is W6PWPYOP . Sentence2: I need to book a train for Monday from Ely to Cambridge to arrive by 14:00 for 6 people. Sentence3: What time would you like to leave by? Sentence4: That is all I needed, good day to you. Sentence5: Anytime as long as i arrive by 14:00. Can you provide me with a reference number after booking? Sentence6: Have a great day! Question: Who has spoken the sentence 1? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: Ok, that would be great. Can I get the reference number please? Sentence2: Sure, and make me a booking for 7 people. Sentence3: I'll be departing from Cambridge on Wednesday. Sentence4: Yes I need a train going to birmingham new street leaving after 18:15. Sentence5: I have Hughes Hall, 01223334898, with free entrance. The broughton house gallery at 01223314960, also free. I don't seem to have any churches. Can I help you further? Sentence6: there are some great museums, colleges and churches for you to visit. Sentence7: Please recommend some worthwhile places to visit in the centre. Sentence8: Have a wonderful visit. Thank you for using Cambridge TownInfo Centre. Goodbye. Sentence9: I will go ahead and book that for you. Sentence10: Great, I would like to get some phone numbers for those places in the centre. Sentence11: Where will you be departing from, and on what day? Sentence12: Thank you. That's all I need for today. You've been a great help. Sentence13: There are five trains leaving on Weds. Do you want me to pick one to book? Sentence14: TR9236 leaves cambridge on wednesday on 19:01 and arrives at birmingham new street at 21:44. I have booked 7 tickets. Your Reference number is : 2BGY3ZRW . Question: Who has spoken the sentence 6? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: A blue Volvo will pick you up at the pizzeria. The contact number is 07889066606. Is there anything else I can help you with? Sentence2: How about Christ's College? It's located in the centre of town at Saint Andrew's Street. Sentence3: Can I book a taxi from Christ's College to Don Pasquale Pizzeria? Sentence4: Certainly. The postcode is cb23nj. Sentence5: Sure. When will you need the taxi? Sentence6: That sounds great! What's the postcode? Sentence7: The postcode is cb23bu. Anything else I can find for you? Sentence8: Could you look up Don Pasquale Pizzeria for me? I'd like to know the postcode. Sentence9: I'm sorry, but I'm experiencing a system error. Can you please restate your request? Sentence10: Certainly. The town has many colleges to look at. Is there any particular area of the town you'd like to narrow it down to? Sentence11: No, that will be all. Thank you. Sentence12: Uh, I want to find a place to go in town. I really want to look at some of the colleges. Sentence13: Not really. Any college would be great. Sentence14: Actually I need to go from the restaurant to the college. I'd like to leave by 7:15. Sentence15: You're very welcome. Thank you and goodbye! Sentence16: I need to find a hotel in the south please Question: Who has spoken the sentence 1? (A) User (B) System


Output: Answer: (B) System