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

Ex Input:
Sentence1: it is located at Thompsons Lane Fen Ditton and you can reach them at 01223 362525 . Sentence2: La mimosa serves mediterranean food in the centre of town. Would you like their information? Sentence3: You're welcome, goodbye Sentence4: Yes, I'd like the address and phone number please. Sentence5: looking for mediterranean food Sentence6: Thank you! Goodbye. Question: Who has spoken the sentence 4? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: Thanks! I'm all set now. Bye! Sentence2: i am looking for a place to stay. The hotel should have a star of 4 and should include free wifi. Sentence3: I have several, when is your stay? Sentence4: A white bmw is booked for you. The contact number is 07793421858 Sentence5: There are 21 options. What type of food do you like? Our restaurants are quite diverse. Sentence6: a and b guest house is very nice Sentence7: Okay, now I would like to find a restaurant in the centre that is also in the moderate price range Sentence8: Yes it is in the moderate price range, what help can I help with? Sentence9: Ah, it was just a temporary lapse, it is back up now. I have you booked. The reference number is K9PYGG5A . Sentence10: Booking was successful. Reference number is : ZCRPOLK8 . anything else? Sentence11: Yes! What do you mean it's down? I need a place to eat! Sentence12: Choose one and surprise me. And book it for 6 people on thursday at 13:15. I'll need the reference number Sentence13: I'll need it to pick me up from the hotel and arrive at the restaurant at least 10 min before our reservation? Sentence14: You are welcome and good bye Sentence15: What is the name of the restaurant you booked the reservation at? We will also need a taxi to get there from the guesthouse. Sentence16: It was restaurant one seven, what time would you like that taxi? Sentence17: Can you confirm a and b guest house is in the moderate price range, please? Sentence18: It appears our booking system is down. Is there anything else I can do for you? Sentence19: book for 6 people and three nights starting on thursday. Sentence20: Do you have one that is a guesthouse? Question: Who has spoken the sentence 4? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: I hope you have a great stay in Cambridge! Sentence2: In order to book a train I need departure location, destination, travel time, day of week and number of people. Sentence3: Yes, please. I'll write it down. Sentence4: between which areas will you be commuting? Sentence5: Yes I'll need a table for 7 on Monday please. Sentence6: Yes, please. The same group from the restaurant will be traveling. Sentence7: Is there anything else I can help you with today? Sentence8: Sure, I like Chinese. Sentence9: Would you like me to book tickets for you? Sentence10: I will be departing from Leicester and would like to arrive by 11:45. Sentence11: I was hoping to find an expensive restaurant in the south. Sentence12: The good luck chinese food takeaway is located at 82 Cherry Hinton Road Cherry Hinton. Would you like to reserve a table? Sentence13: There are five expensive restaurants in the south. Would you like to try a Chinese cuisine? Sentence14: For Friday for 2 people thank you ! Sentence15: Would you like a reference number? Sentence16: That is all I needed. Sentence17: I'm also in a need of a train Sentence18: TR7151 has been booked! Your reference number is Q34HN7VC . Sentence19: What time would you like to dine on Friday? Sentence20: I'll need the train to come to Cambridge, please, so that I can make it to the restaurant that you've booked for me. Sentence21: Ok, I was able to make a booking for 7 people at 17:15. Your reference number is : J2YDX084 . Can I help with anything else? Sentence22: Oh, around 17:15. But, I meant to say on Monday, not Friday and for 7 people not 2. Thanks! Sentence23: Thank you so much for your help. Sentence24: Okay, and when would you like the reservation to be? Question: Who has spoken the sentence 4? (A) User (B) System

Ex Output:

Answer: (A) User