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

Q: Sentence1: I am sorry but you will have to get ticket there and here is the address 251a chesterton road. Sentence2: Do you want me to make a booking? Sentence3: I'm seeking an attraction! A boat one will be nice. Sentence4: Yes please! Thank you so much! Sentence5: Great! I have four for you. Two are in the centre. Any location you'd like in particular? Sentence6: Sure, I can get tickets for the cambridge punter in the city centre. If that sounds okay, what day and time would you like? Sentence7: I am also looking for the Oak Bistro, a place to eat. Sentence8: No, I'd like the name of one in the centre please. Question: Who has spoken the sentence 2? (A) User (B) System

A: Answer: (A) User
****
Q: Sentence1: Great. I booked six tickets on TR4095 departing at 11:35 and arriving in cambridge at 11:52. Your confirmation number is W6PWPYOP . Sentence2: I need to book a train for Monday from Ely to Cambridge to arrive by 14:00 for 6 people. Sentence3: What time would you like to leave by? Sentence4: That is all I needed, good day to you. Sentence5: Anytime as long as i arrive by 14:00. Can you provide me with a reference number after booking? Sentence6: Have a great day! Question: Who has spoken the sentence 1? (A) User (B) System

A: Answer: (B) System
****
Q: Sentence1: Have a safe trip! Sentence2: I'm looking for information on Saint John's College. Sentence3: Bridge Guest House meets those criteria. It is located in the south. Would you like for me to book it for you? Sentence4: I'm not concerned about the area, but I'd like it to include free parking and wifi and have a 3 star rating please. Sentence5: The address is 151 Hills Road. Anything else I can do for you? Sentence6: I need the address and entrance fee as well. Also can you help me find a hotel with free parking in the moderate price range? Sentence7: Yes St John's college is located at saint john's street and their telephone number is 01223338600. It costs 2.50 pounds to enter. Anything else? Sentence8: The address for St.Johns is St.John's St.,postcode cb21tp. There is an entrance fee of 2.50P. You have 14 choices of hotels, is there a specific area you prefer? Sentence9: Can you tell me what area it is located in? Sentence10: I'd like to book a taxi between Saint John's College and the hotel, leaving the hotel at 4:15. Sentence11: Okay, I've booked a taxi for you at 4:15pm at the Bridge Guest House. It will be a black Volkswagen. The number is 07240037071. Anything else I can help with? Sentence12: Yes St John's is located in the city center. Sentence13: That's literally every thing I needed today. You've been amazing, thank you so much! Sentence14: That won't be necessary. I just need the address. Question: Who has spoken the sentence 5? (A) User (B) System

A:
Answer: (B) System
****