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

Ex Input:
Sentence1: i need to know how how much the entrance fee is and the postcode if you may please? Sentence2: Is there anything else I can help you with? Sentence3: It is 8.08 pounds Sentence4: I will be traveling on Saturday and would like to arrive by 17:45. Sentence5: Thank you and goodbye Sentence6: Thank you! Can you also look up Cherry Hinton Hall and Grounds for me? Sentence7: What day and time time will you be travelling? Sentence8: Ok, thank you. Sentence9: Hi, I'll be visiting Cambridge soon, and I need a train from Stansted airport. It should arrive by 17:45. Can you help? Sentence10: No, thank you, that will be all. Sentence11: Yes, that would be perfect! What's the price of one ticket? Sentence12: Sure thing it is in the east of town, what information would you like to know about it? Sentence13: The post code is cb18dw but I do not have the information on the entrance fee. Sentence14: Great, there's a train departing at 16:24 and arriving at 16:52. Will this work? Question: Who has spoken the sentence 6? (A) User (B) System

Ex Output:
Answer: (A) User

Ex Input:
Sentence1: Your table is booked (ref# SCHAG4OI). What time do you need that taxi? Sentence2: The phone number is 01223240089, and the post code is cb17sr. Is there anything else I can assist you with? Sentence3: Thanks. That is all for now. Sentence4: Aylesbury odge guesthouse,I will book it for you,is there anything else I can do for you ? Sentence5: Are any a guesthouse? Sentence6: Okay. Please call us if we can help you further. We hope you enjoy your stay. Sentence7: the good luck chinese food takeaway is great. Shall i book it ? Sentence8: No I just need you to recommend one for me. Sentence9: I don't need you to book it, I just need the phone number and post code please. Sentence10: Hello, I am looking for a place to stay that has free parking in the South area. Can you help me with that please? Sentence11: What time would you like to dine, and how many will be in your party? Sentence12: Thanks, also looking for a restaurant in the same part of town in the expensive range. Can you recommend one? Sentence13: I'd like it to arrive in time to get us there before 12:15. Sentence14: Yes I have 3 guesthouses matching your criteria. Would you like to book one of them? Sentence15: Your black ford taxi has been booked and your contact number is 07103139053. Sentence16: I have four options ranging in price from cheap to expensive ranging in from 3 to 4 stars. Sentence17: There will be 6 of us. We'd like 12:15 on Saturday please. Sentence18: Please book the restaurant and I also need a taxi. Question: Who has spoken the sentence 7? (A) User (B) System

Ex Output:
Answer: (B) System

Ex Input:
Sentence1: I would like Italian please. Sentence2: I don't need to book just yet. But could you help me located a New Zealand restaurant? Sentence3: Okay please book a table for five people on tuesday at 18:00 and give me the reference number Sentence4: The TR3456 from London Kings Cross on Tuesday departs at 13:17 and arrives at 14:08. Shall I book that for you? Sentence5: What area of town do you prefer? Sentence6: Actually, let's look for the train first, please. I'll be traveling from London Kings Cross to Cambridge on Tuesday and I'd like to arrive by 15:45. Sentence7: I's sorry, but could you give me the actual train travel time between the two cities? I'm not good at math. Sentence8: Could you try to book that again for 5 people at 18:00 on Tuesday? Sentence9: Wagamama is an expensive Japanese restaurant in the centre of town. Sentence10: Thank you and enjoy your stay in Cambridge! Sentence11: Great news, the booking system is back up and I made your reservation! The Ref. # is ETUL1R4O . Anything else I can do? Sentence12: It doesn't matter the part of town. Sentence13: There are no other Japenese Restaurants in that area. Sentence14: help me narrow down the choices by giving me the price range Sentence15: Thank you very much. That is all for today. Sentence16: Hello! I am about to go to Cambridge and I would like some information about local restaurants. I also need to see if I can book a train to Cambridge that gets there before 15:45. Sentence17: Unfortunately, we no longer have any new zealand restaurants in the city. Can I search for something else for you? Sentence18: We have many options for restaurants. What food type are you interested in eating today? Sentence19: Is there another Japanese restaurant in the center of town? Sentence20: It takes 51minutes. Sentence21: Thanks, could you also recommend could you help you help me find a place with japanese food? Sentence22: I am unable to book it at this time. Question: Who has spoken the sentence 13? (A) User (B) System

Ex Output:
Answer: (B) System