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

Example Input: Sentence1: That is all, thank you, goodbye. Sentence2: Is there anything else we can help you with? Sentence3: Goodbye. Sentence4: Ok. Thanks. Sentence5: I am looking for a restaurant in the south part of town and serving portuguese food. What is the address and phone number? Sentence6: Nandos is a portuguese restaurant in the south part of town. Their address is Cambridge Leisure Park Clifton Way and their phone number is 01223 327908 Question: Who has spoken the sentence 2? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: I'm departing from Norwich and want to arrive by 13:00. Sentence2: Yes, I will need a train to cambridge on thursday. Sentence3: You are booked for 7 people, 5 nights starting thursday. Your reference number is ZFREK5SQ . May I help you with anything else today? Sentence4: the Kirkwood House is in the north and it sports a four star rating. It has internet and parking and the price range is moderate. Would you like to book? Sentence5: You're welcome. Have a great time! Sentence6: The travel time of that train is 79 minutes. Sentence7: thanks for your help you have been great! Sentence8: That sounds perfect. Can you reserve it for seven people? Sentence9: Where will you be departing from? Sentence10: I'm looking for a particular hotel called the kirkwood house. Where is it, and what other information do you have about it? Sentence11: TR3078 departs at 11:16 and arrives by 12:35. Would you like a ticket? Sentence12: not right now, what's the travel time on that ride? Sentence13: Sure, I can book it for you. What day did you want to arrive and for how many days? Sentence14: 5 nights starting Thursday. Question: Who has spoken the sentence 4? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: Yes I would like it to be in the moderate price range. Sentence2: The total travel time is 79 minutes, just to double check, can I assist with anything else? Sentence3: Please get me the reference number too. Sentence4: I do need a hotel room booked. Sentence5: Okay, how many days will you be staying? Sentence6: I only am showing 1 it is cityroomz, when were you planning your stay so I can book the room for you? Sentence7: TR7047 leaves cambridge at 16:36 and arrives in norwich at 17:55. Will that work? Sentence8: There are 3 hotels in the centre of town with free wifi. Do you have a price range? Sentence9: I am leaving cambridge going to norwich on friday anytime after 16:15 will work for me Sentence10: There are lots of trains running on Friday. Do you have specific departure and destination points in mind? Sentence11: How many people will be staying at the hotel? Sentence12: I'm also looking for a hotel to stay at in the centre. Internet is not important. Can you help me with that? Sentence13: Can I book the train for you or help you with something else? Sentence14: Thank you - that is exactly what I need Sentence15: Are there any trains running this Friday? Sentence16: I'lll be staying 3 nights starting on Tuesday. Sentence17: You are now booked at Cityroomz! Your reference number is D8MU26MH . Can I help you with anything else? Sentence18: That is all for the hotel room. could you help me with one last thing? I need the travel time for train TR7047 Sentence19: I will book that for you now. Sentence20: You're welcome, have a good day. Sentence21: that's all thanks! Sentence22: There will be seven of us. Question: Who has spoken the sentence 12? (A) User (B) System
Example Output:
Answer: (A) User