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

Ex Input:
Sentence1: I am sorry there is nothing that meets that criteria. Is there another type of food or area you would be interested in? Sentence2: Thanks, will you please book a table for 7 people on thursday at 13:00? Sentence3: I'm looking for a restaurant in the east. Sentence4: How about British food? Sentence5: There are nine restaurants in the east. Do you have a price range in mind? Sentence6: You are welcome. Enjoy your dinner! Sentence7: Booking was unsuccessful. can we book another day or time slot? Sentence8: Nope, that should be everything. Thank you so much for all of your help. Sentence9: Booking was successful for Thursday at 1200hrs , table for 7 at Grafton Hotel restaurant. Your Reference number is KQKTCX5Y . Is there anything else I can help you with? Sentence10: I would recommend you try Grafton Hotel Restaurant. As requested it is in the east and serves British food. Sentence11: I don't have a price range but I am looking for asian oriental cuisine. Is that possible? Sentence12: please try booking at 1200hrs and get me the reference number Question: Who has spoken the sentence 11? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: I'm departing from Norwich and want to arrive by 13:00. Sentence2: Yes, I will need a train to cambridge on thursday. Sentence3: You are booked for 7 people, 5 nights starting thursday. Your reference number is ZFREK5SQ . May I help you with anything else today? Sentence4: the Kirkwood House is in the north and it sports a four star rating. It has internet and parking and the price range is moderate. Would you like to book? Sentence5: You're welcome. Have a great time! Sentence6: The travel time of that train is 79 minutes. Sentence7: thanks for your help you have been great! Sentence8: That sounds perfect. Can you reserve it for seven people? Sentence9: Where will you be departing from? Sentence10: I'm looking for a particular hotel called the kirkwood house. Where is it, and what other information do you have about it? Sentence11: TR3078 departs at 11:16 and arrives by 12:35. Would you like a ticket? Sentence12: not right now, what's the travel time on that ride? Sentence13: Sure, I can book it for you. What day did you want to arrive and for how many days? Sentence14: 5 nights starting Thursday. Question: Who has spoken the sentence 4? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: Yes, is either of these hotels located in the north? Sentence2: What type of attraction would you like to visit? Sentence3: the phone number is 01223366611 and adress is gonville place Sentence4: No worries, I just need the address please. Sentence5: The pricerange for Gonville Hotel is expensive. Were you needing a guesthouse? This is a hotel. Sentence6: There are 2 hotels with 3 stars. They are both quite similar, but the Gonville Hotel has a little better reputation. Can I tell you anything about it? Sentence7: May I have the phone number and the exact area. Sentence8: Sure! I recommend the Clare Hall located on Herschel Road. What information would you like to know? Sentence9: The Alpha-milton guest house address is 63 milton road, postcode cb41xa. Are you looking for an attraction in the north also? Sentence10: Thank you, please provide what time you want to leave the hotel or time you want to arrive at Clare Hall. Sentence11: I think we're confusing each other. You said there was no 3-star hotel in the north, so I'm looking for a 3-star guesthouse in the north. Do you have that? Sentence12: Sorry. My system just refreshed. Alpha-milton guest house is a 3 star guesthouse in the north area in the moderate price range. It does not include internet or parking. Sentence13: How about a guesthouse with a 3 star rating in the north? Sentence14: I need the address and phone to them please. Sentence15: Thanks! I will also need a taxi please. Sentence16: There are two 3-star guesthouses in the north. One offers Internet and parking and the other doesn't. Would you like to book a room at one of these? Sentence17: I need a hotel to stay with a 3 star rating please. Sentence18: I am actually looking for a college anywhere in town. Can you recommend an interesting one? Sentence19: On second. Wait. What was the price range on that guesthouse? Sentence20: No they are located in the centre and the south. Sentence21: Clare hall is in the west part of town. Their phone number is 01223332360 should you need to contact them! Sentence22: No, thanks. I'm also looking for places to go in town. Question: Who has spoken the sentence 17? (A) User (B) System

Ex Output:

Answer: (B) System