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

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: Okay, the TR8944 leaves at 15:39 and arrives by 17:07. Would you like me to book tickets for you? Sentence2: There are 10 trains leaving fro Liverpool Street on Thursday. Did you have a departure time in mind? Sentence3: Okay I have booked you and your reference number is WLUOQKEV . Sentence4: rosa's bed and breakfast is in the cheap price range Sentence5: I'm looking for a train departing from london liverpool street leaving on thursday. Sentence6: Do you need a taxi? Sentence7: Goodbye, and thanks again. Sentence8: Yes, I don't want to leave for Cambridge until 15:00 at the earliest. Sentence9: Sure thing. Thanks for letting us help you today! Sentence10: Thank you. I also need a hotel in the south. Sentence11: then thanks for inquiring with us. Sentence12: I don't need a taxi, thanks for asking Sentence13: No price range but I do want a 4 start. Sentence14: Yes, for 6 people. Sentence15: What price range are you interested in? Sentence16: That sounds great. I'll need a reservation for 6 people for 4 nights on Thursday. Sentence17: I've gone ahead and booked that for you. Your Reference number is : EUZ34KY9 . Is there anything else I can assist you with today? Sentence18: No, that takes care of everything I need. Thanks! Question: Who has spoken the sentence 7? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: does it have free wifi and parking? Sentence2: You're welcome. Have a great day! Sentence3: You too, thanks! Sentence4: I need to leave after 8:15, please. I also need the travel time for that Sentence5: There are many trains available. Where is your departure and destination? Sentence6: Yes. The phone number is 01223866800. Is there anything else I can help you with today? Sentence7: Yes. The Express by Holiday Inn has both free parking and free wifi. Would you like to reserve a room? Sentence8: TR1062 leaves at 8:36 and the ride would last 79 minutes. Should I book that one for you? Sentence9: Thank you for using Cambridge TownInfo centre. Please consider us for your future travel needs? Sentence10: How about the Express by Holiday Inn Cambridge? Sentence11: I am looking for a hotel to stay at in Cambridge. Can you recommend a place on the east side? Sentence12: We have 19 options available to you. Is there a specific departure or arrival time you prefer? Sentence13: Could you please provide me the phone number of the hotel? Sentence14: No, I think I can do that myself. Thank you for all your help today. Sentence15: I am also looking for a train on Saturday. Sentence16: From cambridge to norwich. Question: Who has spoken the sentence 5? (A) User (B) System
Example Output:
Answer: (B) System