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

Example Input: Sentence1: Yes I have it for you, its 0123357187 Sentence2: Yes, I will need the reference number please. Sentence3: Will you be needing a reference number? Sentence4: Do you have any cuisine preferences? Sentence5: any of them. book a table for 2 people at 18:45 on wednesday Sentence6: Sure. Would you like to reserve a table at Ugly Duckling, Tang Chinese, HK Fusion, or Sesame Restaurant and Bar? Sentence7: I'm looking for a luxurious dining experience in the centre of Cambridge. Sentence8: I would really like asian oriental food tonight. Question: Who has spoken the sentence 5? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Of course, the contact number is 07336173784. Is there anything else you need? Sentence2: Yes, the taxi will pick you up at 9:00. It is a yellow lexus. Sentence3: I'd be happy to help! Where are you coming from? Sentence4: Is 9:00 good? Do you think forty-five minutes is enough time to get to the college? Sentence5: Do you have a time you would like to leave by? Sentence6: The pickup location will be finches bed and breakfast Sentence7: I need a taxi to arrive by 09:45 Sentence8: You're welcome, have a great day. Sentence9: Ok, I will also need your destination for booking purposes. Sentence10: Great. Can I get a contact number? Sentence11: I will be traveling to sidney sussex college today. Sentence12: That's all thanks Question: Who has spoken the sentence 8? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: Okay. Would you like to book a room at the Acorn Guest House? Sentence2: I have nothing matching what you are looking for. Perhaps another area or another attraction? Sentence3: they are at cambridge passenger cruisers, jubilee house,cb43ax. or call them on 01223902091. Sentence4: I am sorry I do not have that information, I can give you their phone number if you would like. Sentence5: I also need a hotel. One with free wifi and not too expensive. Sentence6: If you want to stay in the north, the Acorn Guest House is moderately-priced and quite nice. If you want cheap, I recommend Worth House. Sentence7: Okay let's try the Acorn Guesthouse. Sentence8: I would like their phone number, entrance fee, and address. Sentence9: Yes the phone number would be great. What are their hours? Sentence10: riverboat georgina has nice boats. Are you interested ? Sentence11: I would be happy to book the Acorn Guest House for you. Can you please tell me the day, length of stay, and the number of people. Sentence12: The Acorn Guest house is a beautiful 4-star guest house. They do offer internet and parking. Would you like me to provide their contact information for future reference? Sentence13: Can you book it for me and get a reference number ? Sentence14: I want to stay in the north. Are there any attractions with boats? Sentence15: no that is it for now thanks Sentence16: You're welcome. Have a good visit. Sentence17: The phone number is 01223902091. Their website is vague, I'm afraid you'll have to call them for their hours. What else can I help you with today? Sentence18: I actually won't need a booking. Can you tell me the star of the hotel and if they offer free parking? Sentence19: No, thank you. Could I get the entrance fee of the Riverboat Georgina? Sentence20: looking for places to go in town. The attraction should be in the north and should be in the type of mutliple sports Question: Who has spoken the sentence 15? (A) User (B) System
Example Output:
Answer: (B) System