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

Example Input: Sentence1: Would that be London Liverpool or London Kings Cross? Sentence2: We don't have any trains going from Ely to London Liverpool or London Kings Cross. Do you need anything else? Sentence3: I will be leaving from Ely and going to london. Sentence4: Are you sure you don't have a preference? Sentence5: Either one is fine with me. Sentence6: On Saturday I need a train that will arrive by 21:45. Sentence7: Yes I'm sure. I need to book that for 5 people. Sentence8: Can you tell me where you will be departing from and heading to? Question: Who has spoken the sentence 6? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: Are there any with a 5 star rating? Sentence2: I'm looking for a place to stay with free wifi. Can you help me find something moderately priced? Sentence3: You are booked at the acorn guest house. Reference number is ROCCFCM6 . Sentence4: Thank you so much, that is all I need. Sentence5: Unfortunately, none of them have a 5 star rating. Sentence6: Are there any with a 4 star rating? Sentence7: We have plenty of moderately priced options with free WiFi. Do you have any additional preferences? Sentence8: Oh yes, several. Are there any addition preferences on those? Sentence9: Great, enjoy your stay. Bye. Sentence10: Nope, any 4-star moderate place with wifi will be fine. Could you book a room starting Saturday for 3 nights, 5 people? Question: Who has spoken the sentence 6? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: I have about 13 colleges in the centre of town. If I may, might I suggest Pembroke College. They have a quite unique campus. There is also free admission. Sentence2: Have a great day! Sentence3: No, that will be it. You've been very helpful! Sentence4: Golden House is a cheap Chinese restaurant in the center of town. Their address is 12 Lensfield Road City Centre, cb21eg. Their phone number is 01842753771. Sentence5: Pembroke College has a no entrance fee. Is there anything else I can help you with today? Sentence6: Yes, I do. I would like to find some interesting places to go while we are in town. Perhaps, some sort of entertainment. Any suggestions? Sentence7: Can you get me information on a restaurant called golden house? Sentence8: Booking was successful. The table will be reserved for 15 minutes. Reference number is : 4EYTD9X9 . Do you need anything else? Sentence9: I'd like to book a table for 3 at 20:00 on Monday. I'll need a reference number, please. Sentence10: It's located on Trumpington Street, postcode CB2 1RF. Would you like their phone number? Sentence11: Give me the entrance fee instead please. Sentence12: How about a college? Sentence13: Great. What's the address for pembroke? Sentence14: There are no entertainment attractions in the centre. Can I try another type of attraction? Question: Who has spoken the sentence 10? (A) User (B) System
Example Output:
Answer: (A) User