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

Example Input: Sentence1: Can you recommend a moderately priced restaurant in the South part of town? Sentence2: could i have the address and phone number please? Sentence3: sure, pizza hut cherry hinton is located at G4 cambridge leisure park clifton way cherry hinton and the phone number is 01223 413000. Is there anything else I can help you with? Sentence4: Would you prefer Italian or Modern european food? Sentence5: I don't care. Either one is fine. Sentence6: No, that is all I needed. Thank you. Bye bye. Sentence7: How about Pizza Hut Cherry Hinton. It serves Italian food, is in the moderate price range, and in the south part of town. Sentence8: Goodbye. Question: Who has spoken the sentence 5? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: I'm going to saint johns chop house. Sentence2: What is your destination? Sentence3: The contact number is 07727071722. Is there anything else I can help you with? Sentence4: I can help you with that. When do you need to leave? Sentence5: No that is all Thank you goodbye. Sentence6: I need the contact number please. Sentence7: Your taxi is booked. Look for a yellow Volkswagen. Sentence8: Please call us anytime. Good Bye. Sentence9: I need to get a taxi out of holy trinity church. Sentence10: I need to arrive at the chop house by 22:30. Question: Who has spoken the sentence 2? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: What area are you looking to stay in? Sentence2: That sounds good. Can I get that for 8 people for 4 nights starting Thursday? Sentence3: I need place to stay with free wifi. Sentence4: I have quite a few that fit your description. What price range are you looking for? Sentence5: What day do you want to travel? Sentence6: I need to take a train from Cambridge to Stansted Airport I need to arrive by 14:45 Sentence7: I need to go on Thursday, please. Sentence8: Thank you! That is all that I need! Sentence9: TR0521 will depart at 13:40 and arrive at 14:08. The 28 minute trip will cost 10.10 pounds. Would you like to book a ticket? Sentence10: I have made those reservations and your reference number is YCL4D5P6 . Sentence11: Yes please and provide me with the reference number as well. Sentence12: It doesn't matter. I like 4 star guesthouses though. Sentence13: Booking was successful, the total fee is 10.1 GBP payable at the station. Your reference number is TDPEQ21Q . Do you need anything else? Sentence14: I'd prefer something in the moderate price range. Sentence15: If that is all, then thank you for reaching out to the Cambridge TownInfo centre. Goodbye. Sentence16: I recommend the Arbury Lodge Guesthouse in the north. It meets your specifications. Would you like help in booking it? Question: Who has spoken the sentence 2? (A) User (B) System
Example Output:
Answer: (A) User