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

Example Input: Sentence1: No thank you. Im finished. Sentence2: Allenbell is my favorite. It has four stars. The phone number is 01223210353. Shall I book that for you? Sentence3: Is there anything else I can help you with? Sentence4: I found 10 places, do you have a hotel style preference of gueshouse or hotel, or an area you prefer? Sentence5: You're welcome. How many people are in your party, and when will you arrive? Also, how long would you like to stay? Sentence6: I'm looking for a cheap place to stay that does not need free parking. Sentence7: It sounds fine. Do any of them include free wifi? Sentence8: There are three cheap guesthouses in the east area, however, they all have parking. Will this be okay, or would you like to look at a different area or price? Sentence9: Okay. Have a good day. Sentence10: That'd be great. Thank you. Sentence11: All of them include free wifi. Sentence12: What's the phone number and star rating of your favorite one? Sentence13: I will book on my own, thanks. Sentence14: I don't have a preference for the type but I would like a place in the east. Question: Who has spoken the sentence 7? (A) User (B) System
Example Output: Answer: (B) System

Example 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
Example Output: Answer: (B) System

Example Input: Sentence1: Is there a time you would like to arrive by? Sentence2: Your search engine does not include the restaurant I've inquired about. Sentence3: The TR0117 leaves at 19:59 and arrives at 21:27. Would you like me to book it on this train? Sentence4: I am leaving cambridge to go to london liverpool street. Sentence5: Do you have the phone number of the restaurant? Also, what area of town is it in? Sentence6: Yes could I also have their address? Sentence7: The Gandhi is in the city centre, and their phone number is 01223353942. Can I help with anything else today? Sentence8: Uhm? Do you have any info about the Gandhi? I'd like the phone number, address, and area. Sentence9: That's all I needed about the train I also need some information on a restaurant called The Gandhi Sentence10: I just need one ticket. Sentence11: No preference on arrival. As long as it leaves after 18:45. Sentence12: Can you tell me where you want to depart from and want to go to? Sentence13: Sure. The address is 72 Regent Street City Centre. Is there anything else I can help you with today? Sentence14: The Gandhi is located at 72 Regent Street City Center and offers cheap Indian cuisine. Sentence15: Thank you for contacting Cambridge TownInfo centre. I hope you have a pleasant trip! Goodbye! Sentence16: Hi, can you help me find a train that leaves after 18:45 Monday? Sentence17: How many tickets do you need? Sentence18: That will be all, thank you very much. Question: Who has spoken the sentence 8? (A) User (B) System
Example Output:
Answer: (A) User