You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
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Question: Sentence1: Yes. I will be staying 5 nights starting Friday. Sentence2: Im also looking for the cow pizza kitchen and bar. Whats the address for it? Sentence3: its address is Corn Exchange Street. what else can i do for you? Sentence4: Oh, expensive please. I do hope it is a guesthouse? Sentence5: You have helped me with everything I need. Thank you. Sentence6: Anytime. Enjoy your visit. Sentence7: I'll be staying for 5 nights. Sentence8: Unfortunately they are both hotels. Sentence9: Booking was successful. Reference number is : GQPN80PK . Is there anything else I can assist you with today? Sentence10: Okay I've got three options here. Would you like a cheap or an expensive price range? Sentence11: Can you help me locate a hotel to stay at that has free parking and a 4 star rating? Sentence12: Oh. I would really prefer a guesthouse. How about the moderate price range? Sentence13: Okay, I recommend The Acorn Guesthouse. Would you like me to book there? Sentence14: NO problem. How long are you staying? Sentence15: The location isn't important. I need to book it for Friday, please. Sentence16: They are moderate, it is a gastropub, in case you need them, the postal is cb23qf and the phone number is 01223308871, can I assist with anything else? Sentence17: I have 9 guesthouses in the moderate price range, do you have a location preference? Sentence18: I need it's price range please Question: Who has spoken the sentence 1? (A) User (B) System

Answer: Answer: (B) System

Question: Sentence1: I can get you a ticket on the tr8495 it will get you there by 10:55, or is that too early? Sentence2: I'm sorry I changed my mind. I just need the price per ticket please. Sentence3: I'll be going from Cambridge to Norwich. Sentence4: Yes. Please reserve for 5 people on Monday at 14:00. Sentence5: Have a great day and enjoy your time in cambridge. Sentence6: No that sounds good,please book it for me Sentence7: I also need a moderate restaurant in the town centre that serves European food. Sentence8: The price is 17.60 pounds sterling. Can I help with anything else? Sentence9: How many tickets will you be needing? Sentence10: Booked. The table will be reserved for 15 minutes. Reference number: XLZVMYRL . Sentence11: I need to take a train to here. I want to arrive by monday at 17:15. Sentence12: Great. I can't wait. Thanks! Goodbye! Sentence13: The riverside brasserie serves modern european food. Would you like to make a reservation today? Sentence14: Okay, there are plenty of options. Where are you headed? Question: Who has spoken the sentence 11? (A) User (B) System

Answer: Answer: (B) System

Question: Sentence1: Which area do you want to go to? Sentence2: I don't prefer a part of town. I need to find a train to get there. Can you help me with that too? Sentence3: I would like to visit a college, what would the entrance fee be? Sentence4: I am sorry I cannot find anything for those specifications Sentence5: Christ's College is free admission. Sentence6: Are you sure? Can you please check again for a Wednesday train from Birmingham New Street to Cambridge, arriving by 18:15? Sentence7: Booking was successful, the total fee is 75.09 GBP payable at the station . Reference number is : JWJXOOQU . Sentence8: I'm sorry there are no trains that fit that criteria. Would you be able to arrive any later? Sentence9: Yes please, just one ticket. Sentence10: I find it hard to beleive there are no trains arriving by 18:15. It doesn't need to arrive AT 18:15 just before that. Please check again. Sentence11: Almost all of them are free. Christ's college is famous and free. What part of town do you prefer? Sentence12: Thank you that is all I needed today. Sentence13: Great I also need a train departing from birmingham new street and arriving by 18:15 Sentence14: I'm sorry for the confusion earlier, I hope you have a lovely time here. Sentence15: Christ's college is located in Centre. Where will you be departing from on Tuesday and what time? Sentence16: I'm just looking for a cool place to go later. Sentence17: TR2286 leaves birmingham new street at 14:40 and arrives in Cambridge at 17:23. The price is 75.10 pounds and takes 163 minutes. May I book this for you? Sentence18: I would like to leave on tuesday. Sentence19: Yes, when would you like to travel? Sentence20: hold the phone. what is the entrance fee for christ's college? Question: Who has spoken the sentence 11? (A) User (B) System

Answer:
Answer: (B) System