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

Sentence1: I have two restaurants that meet your needs, Graffiti and Travellers Rest. Would you like to make a reservation at one of those? Sentence2: Yes, I need to book a table for five people at 17:15 for this Thursday. Sentence3: Thank you so much. Have a nice day. Bye. Sentence4: A reservation at 16:15 was successful at Graffiti. Your reference number is VCCP7L4M . Is there anything else I can help you with today? Sentence5: You're welcome, have a good meal. Sentence6: Will you check 16:15? Sentence7: Are there any expensive British restaurants in town? Sentence8: There are 57 restaurants that match your specifications. Do you want anything more specific? Sentence9: Yes, I'd like to find one in the west side of town. Sentence10: I am unable to book a restaurant at that time on Thursday. Is there another day or time slot I can check for you? Question: Who has spoken the sentence 5? (A) User (B) System
Answer: (B) System

Sentence1: Of course. Their telephone number is 01223362525. Would you like any more information? Sentence2: TR1339 arrives at 24:07 and takes 38 minutes to arrive there. Sentence3: Thank you. I will also need to find a restaurant that serves Mediterranean food and should be in the expensive price range. Sentence4: What day and time are you leaving Cambridge? Sentence5: Sure, their address is Thompsons Lane Fen Ditton. Is there anything else I can help you with? Sentence6: nope. i think that is all. enjoy your day and stay out of the rain. bye Sentence7: La Mimosa is a great expensive Mediterranean restaurant in the centre. Would you like to book a table? Sentence8: You have a great day, too. Thanks for calling. Goodbye. Sentence9: What is the arrival time? Sentence10: TR1339 is leaving at 23:29 and it is priced at 10.10pounds. can i book? Sentence11: I'm leaving after 18:45 on thursday. Sentence12: I'd like some information on a train going to bishops stortford departing from Cambridge. Sentence13: No I would just like their telephone number please. Sentence14: Can I get their address please? Question: Who has spoken the sentence 2? (A) User (B) System
Answer: (A) User

Sentence1: I am excited about visiting a particular attraction in Cambridge. Can you help me? Sentence2: Yes, please. What is the postcode? Sentence3: yeah sure why not! that would be dope! Sentence4: No problem. The post code for the fitzwilliam museum is cb21rb. Is there anything else I can help you with? Sentence5: The fitzwilliam museum is located in the centre area of town and is free to enter. Would you like more information? Sentence6: Ok, I can book you a room at the Arbury Lodge Guesthouse. Is that good? Sentence7: No thank you, you been so helpful, have a wonderful day! Sentence8: Thank you for using our system! Sentence9: We have 79 attractions listed at this time. Was there anything in particular you were looking for? Sentence10: Yes. I am looking for a place to stay that has 4 stars and includes free wifi. Sentence11: I am looking for the fitzwilliam museum Sentence12: I have confirmed your booking at arbury lodge guesthouse for 3 nights starting Monday. Your reference number is WAI4ET4D . Would you like help with anything else? Sentence13: Yes please. Book a room for 4 people for 3 nights, beginning Monday. I need a reference number. Sentence14: We have at least 33 four star hotels with internet, would you like one close to the museum? Question: Who has spoken the sentence 6? (A) User (B) System

Answer: (A) User