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

[Q]: Sentence1: You're welcome, have a great day. Sentence2: What city are you departing from? Sentence3: Thanks. Can you also look up information on Lovell Lodge hotel? Sentence4: Thank you for the info, that will be all. Sentence5: Can you give me the day you are traveling? Sentence6: I'm leaving on Saturday. May I please have the travel time? Sentence7: i'm leaving from cambridge Sentence8: Can you help me find a train arriving by 12:45 going to birmingham new street? Sentence9: Travel times for all trains on that route are 163 minutes. The TR2576 would get you to Birmingham New Street at 11:44. Sentence10: The Lovell Lodge hotel is located in the north that is 2 stars. It has moderate pricing, free internet and parking. Their phone number is 01223425478. Question: Who has spoken the sentence 5? (A) User (B) System
[A]: Answer: (B) System

[Q]: Sentence1: Thanh binh is a nice restaurant that serves Vietnamese food and is in the cheap price range. Sentence2: That sounds great! May I have their phone number please? Sentence3: Thank you for using the Cambridge restaurant system, please call again. Sentence4: Okay, thank you for your help! Sentence5: How about vietnamese food, please? Sentence6: I am looking for a restaurant that serves Malaysian food and is in the cheap price range. Sentence7: thanh binh's phone number is 01223 362456 Sentence8: No matches found for cheap Malaysian food. Would you like something else? Question: Who has spoken the sentence 1? (A) User (B) System
[A]: Answer: (B) System

[Q]: Sentence1: I have a train leaving Cambridge for London Kings Cross Monday at 19:00, would you like me to book it? Sentence2: Alright. Goodbye now. Thank you! Sentence3: I can assist you. What is your destination and departure time? Sentence4: The ticket will coat 23.60 pounds and it will arrive at 19:51. Sentence5: I need the arrival time and price Sentence6: I would like to find a train that is leaving Cambridge on Monday. Sentence7: Thanks, that's all. Good bye. Sentence8: I'll be leaving from london kings cross and need to leave after 17:15. Question: Who has spoken the sentence 7? (A) User (B) System
[A]:
Answer: (B) System