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

Example Input: 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
Example Output: Answer: (A) User

Example Input: Sentence1: Yes I have it for you, its 0123357187 Sentence2: Yes, I will need the reference number please. Sentence3: Will you be needing a reference number? Sentence4: Do you have any cuisine preferences? Sentence5: any of them. book a table for 2 people at 18:45 on wednesday Sentence6: Sure. Would you like to reserve a table at Ugly Duckling, Tang Chinese, HK Fusion, or Sesame Restaurant and Bar? Sentence7: I'm looking for a luxurious dining experience in the centre of Cambridge. Sentence8: I would really like asian oriental food tonight. Question: Who has spoken the sentence 5? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: in the south are of town. Sentence2: thanks for your time and services Sentence3: In what area of town are you looking to stay? Sentence4: Yes they do offer free parking. Would you like me to book a room for you? Sentence5: Yes, on Tuesday for 3 people 3 nights. Sentence6: Does it have free parking? Sentence7: I need to find a moderate priced hotel to stay at. Sentence8: aylesbray lodge guest house is a nice place Sentence9: Thank you goodbye Sentence10: Your reservation for 3 people at aylesbray lodge guest house this tuesday for 4 days 3 nights was successful. Your Reference number is : SWWMG3BG . Question: Who has spoken the sentence 2? (A) User (B) System
Example Output:
Answer: (A) User