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

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
Answer: (A) User

Sentence1: Could I get the reference number please? Sentence2: I have a table for 4 at 12:15 on Saturday at Curry Garden. Is there anything else i can help you with? Sentence3: You are welcome! Enjoy your visit! Sentence4: No that is all I do believe thanks for all of your help Sentence5: I am also looking for an Indian restaurant that is located in the centre? Sentence6: Yes your booking was successful and your reference number is Z7XFCSHU . Sentence7: Yes, can you please book a room for me for 4 people for 5 nights starting on Thursday. Sentence8: there is curry garden as well as eight other options for you. Sentence9: I'm looking to get some info about a hotel called Home from Home Sentence10: Home from Home is located at 78-80 Milton Rd. It's a 4 star hotel in the north part of town. Phone is 01223323555. Sentence11: Curry Garden sounds good, can you book me for 4 people at 12:15 on saturday? Sentence12: Your reference number is XDJE6L0H . Do you need anything else? Question: Who has spoken the sentence 11? (A) User (B) System
Answer: (B) System

Sentence1: Okay. I hope you enjoy your stay! Let us know if we can be of further help. Sentence2: Not really. Can I just have the postcode and phone number for your favorite place? Sentence3: Great. Thanks. That is all. Sentence4: Thank you. Are there any expensive restaurants in the town centre? Sentence5: the tr7195 will get you there by 12:08 how many tickets please? Sentence6: kymmoy is the best! their phone number is 01223311911 and postcode is cb12as Sentence7: Well, first, what is the departure time, price and travel time? It sounds like it will work. Sentence8: I need to find a train that will arrive cambridge by 13:45 on friday Sentence9: I'm departing from cambridge and want to go to birmingham new street Sentence10: Sorry, that was the TR6668, not TR7195, arrives by 12:44, duration of the trip is 163 minutes and the price is 75.10 pounds. Sentence11: sure, where are you departing from? Sentence12: There are a variety of options in that area. Is there a particular type of food that you would like? Question: Who has spoken the sentence 1? (A) User (B) System

Answer: (B) System