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

Input: Consider Input: 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

Output: Answer: (B) System


Input: Consider Input: Sentence1: Yes, all of the listed entrance fees are 5 pounds. The Club Salsa is nice. Sentence2: Have fun! Goodbye! Sentence3: Club Salsa's address is 1 Station road and their phone number is 07782218745. Sentence4: No thanks. That's it. Sentence5: Location doesn't really matter. Is there an entrance fee? Sentence6: Yes, would you like to find a nightclub in the centre or south part of town? Most of them are in the centre. Sentence7: Club Salsa sounds right up my alley. Can I get the address and phone number please? Sentence8: Can you find information about nightclubs? Sentence9: You're welcome. Can I help you with anything else? Sentence10: Okay, great! Thanks for your help! Question: Who has spoken the sentence 7? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: I have booked your ticket, the reference number is : ECTZFFR5 . Is there anything else I can do for you. Sentence2: I can assist you with that. Where are you travelling to and from? Sentence3: I'm going from Cambridge to the Stansted Airport. Sentence4: Not at this time. Thank you so much for everything. Have a great day! Sentence5: I need a train on Friday, arriving by 12:15. Sentence6: That one sounds fine. Can you book it for 3 people? I will need the reference number too. Sentence7: The TR5998 leaves cambridge at 10:40 and arrives stansted airport at 12:08. It's price is 10.10 pounds. There are earlier trains if you wish. Sentence8: You are very welcome, goodbye. Question: Who has spoken the sentence 1? (A) User (B) System


Output: Answer: (B) System