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

Input: Consider Input: Sentence1: Are you sure? I'd really like some Austrian food. Sentence2: Yes I am sure. However, I do have a number of restaurants listed as serving European food. Would you like information on these? Sentence3: Thank you, let us know if you need any more help with anything. Sentence4: The phone number is 01223307030. The address is Quayside Off Bridge STreet and the postcode is cb58aq. Can I book a reservation? Sentence5: Yes please. I prefer the centre of town if possible. Sentence6: I would like for that to be cheap as well. Sentence7: No, I'm all set, thanks. Goodbye! Sentence8: Hi, I'm looking for a cheap austrian restaurant. Sentence9: Sounds good. Could you give me the number? Also, the address and postcode. Sentence10: The River Bar Steakhouse and Grill located in the Centre has cheap Modern European food. Would you care for that? Sentence11: There are a number of European options in the town centre. Do you have a price range? Sentence12: I'm sorry but I don't have any Austrian restaurants? Would you like to try a different cuisine? Question: Who has spoken the sentence 5? (A) User (B) System

Output: Answer: (B) System

Input: Consider Input: Sentence1: Yes, free internet is included at The Cambridge Belfry. Sentence2: Great, I'd like to book at room at The Cambridge Belfry. Sentence3: The cambridge belfry matches those requirements. Sentence4: I can book your room now. Thank you so much Sentence5: I am looking for a 4 star hotel that has free parking. Sentence6: Does it have free internet? Question: Who has spoken the sentence 5? (A) User (B) System

Output: Answer: (B) System

Input: Consider Input: Sentence1: You can reach The Copper Kettle at 01223365068. Their postcode is cb21sj. Is there anything more I can help with today? Sentence2: There are four great restaurants that match your criteria. I highly recommend the copper kettle located at 4 Kings Parade City Centre. Would you like me to book a table? Sentence3: That sounds great, can I please get the phone number and postcode? Sentence4: I am looking for something to do in the centre area of town. I was thinking maybe a nightclub. Sentence5: Their phone number is 01223519224 and postcode is cb23hx. Is there anything else I can help you with? Sentence6: Have a nice day. Sentence7: Have a nice day. Sentence8: Where are you going? I can help you book a taxi once you give me your destination Sentence9: What is the phone number and postcode there? Sentence10: There are many moderately priced restaurants in the city centre. Is there a type of cuisine you would like to try? Sentence11: Yes I am interested in British food. Sentence12: I'm traveling between the restaurant and nightclub. I need to leave the nightclub by 1:00. Sentence13: I'll also need a taxi. It should leave The Fez by 1:00. Please include the contact number and car type. Sentence14: There are 5 nighclubs in the Centre. May I suggest The Fez Club? Sentence15: I'm looking for a moderately priced restaurant in the Cambridge city centre. Sentence16: I have booked that taxi look for a yellow honda. The contact number is 07354152897. Question: Who has spoken the sentence 2? (A) User (B) System
Output: Answer: (A) User