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: Yes I need a table for two. Sentence2: No there isn't. Sentence3: What day and time would you like the booking for? Sentence4: Zizzi Cambridge please Sentence5: I'm sorry could you confirm what restaurant you wanted to reserve a table for 2 at? Sentence6: That sounds good can you please give me the address and phone number? Sentence7: thanks for booking the reservation. Goodbye. Sentence8: How about this Tuesday at 17:00? I can check if they have any available tables. Sentence9: Sure thing! Zizzi Cambridge contact info: Phone: 01223365599 Postcode: cb21ab Address: 47-53 Regent Street. Would you like me to make a reservation there? Sentence10: Sure that sounds good. Sentence11: There are 5 cheap Italian restaurants. Is there a particular area you're interested in? Sentence12: Hello I am looking for a restaurant that serves Italian food and I need it to be cheap. Sentence13: How about something local, such as Zizzi Cambridge? It's located at the centre. Sentence14: I don't know. Question: Who has spoken the sentence 7? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: I need one ticket please and for leaving at 16:15,thank you. Sentence2: Thank you! That's all for me. Goodbye! Sentence3: I need a Tuesday train to from Peterbourough. Sentence4: Glad I could help. Let me know if there's ever anything else you need. Sentence5: Sure they do have internet and their phone number is 01223327978. Sentence6: Let me confirm this information: Are you leaving from Peterborough at around 16:15 and going to Cambridge on Tuesday? Sentence7: Right now I just need their phone number and to know if they have internet or not please. Sentence8: There's a train, TR5267, which leaves Peterborough at 16:19, arr. Cambridge 17:09. It's 16.50 pounds per ticket. Would you like to book it? Sentence9: Could you help me book a hotel called el shaddai? Sentence10: What day would you like to stay at the el shaddai? Sentence11: Yes, that's mostly right, but it should be after 16:15, please. Sentence12: Yes, please book it for one person and provide the reference number. Sentence13: All booked. Your reference number is LBUHU6M3 . Is there anything else I can help you with? Sentence14: If your are going to cambridge the first train leaves at 05:19 and the last at 07:19, any particular time and how many tickets please? Question: Who has spoken the sentence 10? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: Unfortunately, we do not have any Indonesian restaurants. Would you like Thai food? Sentence2: Yes, could you give me more info on the Vietnamese restaurant? Sentence3: That is all, thank you for your help. Sentence4: You're welcome. Let us know if we can help you. Sentence5: Their postcode is cb30af. Would you like to book a table? Sentence6: Their address is 17 Magdalene Street City Centre. Sentence7: There is an Italian restaurant, La Margherita and a Vietnamese restaurant called Thanh Binh. Would one of those work? Sentence8: could you give me their postcode? Sentence9: No, that will be fine. I am needing help finding a hotel in a moderate price range with 4 stars and free parking. Can you help me with that? Sentence10: Area doesn't actually matter. But if there are no results for a moderate 4 star type-hotel with parking, then try to find a cheap one instead Sentence11: Great can you book that for 8 people for 3 nights starting thursday? Sentence12: I have one result for you in the cheap pricerange. It is the cambridge belfry. Anything else today? Sentence13: Here is your reference number, SM7PEYSV . The booking is all set for you. Is there anything else I can do for you? Sentence14: how about the west ? Sentence15: What kind of restaurants are in the west that's cheap? Sentence16: I'd be happy to help with your request, to help narrow the results down, what area are you looking to stay in? Sentence17: Sorry, there are no results. Maybe a different star rating or area would work? Sentence18: I'd like to find a cheap Indonesian restaurant. Can you help? Question: Who has spoken the sentence 13? (A) User (B) System


Output: Answer: (B) System