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

Ex Input:
Sentence1: Sure! The phone number is 01223452587, the postcode is cb58bs, and that is in the centre area. Sentence2: That sounds great to me. Can I get the phone number, postcode, and area please? Sentence3: You are booked into Prezzo which is moderately priced on the west side. Your reference number is G2FIPHUL . Is there anything else? Sentence4: Great! I think you've covered it all. I don't need anything else. Thank you! Sentence5: Is there one that serves Italian food? Sentence6: You're quite welcome. Just let us know if you need any further assistance. Have a great day! Sentence7: There are none in the area that serves Welsh food, would you like to look for another type of cuisine? Sentence8: I'd like a moderate price range, please. Sentence9: I have found 5 attractions. They are all in the centre. Would you like to visit all saints church? Sentence10: There are 15 italian restaurants. Do you have preference in food price or area? Sentence11: I'm looking for a place to dine that serves welsh food. Sentence12: I am also looking for a place to go, anything with architecture. Sentence13: I don't have an area preference, but I would like to book a table for 6 people at 16:45 on wednesday. Sentence14: I have 5 moderately priced Italian restaurants. Do you have a preference on area, they are spread around the east, west, south, and centre. Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Yes. I will be staying 5 nights starting Friday. Sentence2: Im also looking for the cow pizza kitchen and bar. Whats the address for it? Sentence3: its address is Corn Exchange Street. what else can i do for you? Sentence4: Oh, expensive please. I do hope it is a guesthouse? Sentence5: You have helped me with everything I need. Thank you. Sentence6: Anytime. Enjoy your visit. Sentence7: I'll be staying for 5 nights. Sentence8: Unfortunately they are both hotels. Sentence9: Booking was successful. Reference number is : GQPN80PK . Is there anything else I can assist you with today? Sentence10: Okay I've got three options here. Would you like a cheap or an expensive price range? Sentence11: Can you help me locate a hotel to stay at that has free parking and a 4 star rating? Sentence12: Oh. I would really prefer a guesthouse. How about the moderate price range? Sentence13: Okay, I recommend The Acorn Guesthouse. Would you like me to book there? Sentence14: NO problem. How long are you staying? Sentence15: The location isn't important. I need to book it for Friday, please. Sentence16: They are moderate, it is a gastropub, in case you need them, the postal is cb23qf and the phone number is 01223308871, can I assist with anything else? Sentence17: I have 9 guesthouses in the moderate price range, do you have a location preference? Sentence18: I need it's price range please Question: Who has spoken the sentence 1? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: I am also looking for something to do in town. Are there any facilities for multiple sports on the west side? Sentence2: I recommend Kettle's Yard on Castle Street. It is actually free! Sentence3: Can you please recommend a museum and give me their address? Sentence4: Glad I could be of assistance. Please let me know if I can be of any further assistance. Sentence5: I'm looking for a train that leaves on Thursday to go to Cambridge. Sentence6: Do you have a time that you want to arrive by? Sentence7: Where are you departing from? Sentence8: I am departing from Peterborough and leaving after 14:15. Sentence9: Thank you very much, I appreciate your help. Good Bye. Sentence10: no. book for 2 people and give me the reference number. Sentence11: I'm sorry, there are no multiple sports attractions on the west side of the city. Is there a different type of attraction or a different area you'd like to try? Sentence12: TR0904 has been booked for 2 people on thursday at 14:48, cost is 33 GBP and reference number is U120DUFH . Is there anything else I can help you with today? Question: Who has spoken the sentence 5? (A) User (B) System

Ex Output:

Answer: (B) System