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

[EX Q]: Sentence1: Yes, both the Hobsons House and the college are both in the west part of town. Would you like information for the college? Sentence2: Booking completed! Your ca is a black lexus and the contact number is 07301130189 Sentence3: It doesn't matter. Sentence4: Queens college is quite pretty. It is on Silver street in the west. Sentence5: Perfect! That's all I need today, thank you! Sentence6: No, I need something in the western part of town. Sentence7: There are lots of churches in the centre of town. Would you like to visit one? Sentence8: What would you recommend? I don't have a preference. Sentence9: There are many colleges and museums on the west side. There is also one entertainment center. Which do you prefer? Sentence10: Do you know when you want to get there by? Sentence11: You are very welcome. Glad I could help. Have a nice day. Sentence12: Is it near the Hobsons House hotel? Sentence13: Actually, the college sounds great. I don't need more info. But I would love a taxi to get me from Queens College to Hobsons House. I want to leave by 16:30. Sentence14: Hello. I'm looking for a few good places to see in town on my next visit to cambridge. Question: Who has spoken the sentence 6? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: The TR1156 leaves at 15:16. Will that work for you? Sentence2: There are 13 colleges in the centre of town. Would you prefer a college without an entrance fee? Sentence3: Yes can I have an arrival time please? Sentence4: I need a train on Saturday after 14:30. Sentence5: I need to travel to Norwich from Cambridge after 14:30. Sentence6: Okay thank you for your help. Sentence7: I'm looking for a place to in the centre, perhaps a college. Sentence8: No preference. Can you make a recommendation and give me the address, phone number, and entrance fee? Sentence9: The arrival time is 16:35. Sentence10: Thank you for using Cambridge TownInfo Centre. Sentence11: Where are you leaving from and traveling to? Sentence12: christ's college is great. the address is st andrews st, free entrance & their number is 01223334900, anything else? Question: Who has spoken the sentence 1? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: The first train leaving Stansted Airport after 17:45 leaves at 18:24. You'd arrive in cambridge by 18:52. Would you like me to book a seat on this train? Sentence2: Sorry about that. The postal code is cb58bs. Sentence3: There are many attractions. Churches, cinemas, colleges, and art gallery's. Do any of those sound appealing? Sentence4: To Cambridge, from Stansted Airport. Sentence5: Can you give me a few samples? I'll need the entrance fee, too. Sentence6: All Saints Church is free to get in as is Holy Trinity Church. Would you like more information? Sentence7: You are welcome. Enjoy your stay in Cambridge. Bye. Sentence8: Thanks so much for your help today, that was everything I needed. Sentence9: Yes. Postcode, phone number and entrance fee's if any of All Saints Church. Sentence10: Could you give me a little more information? Where will you be traveling to and from? Sentence11: Yes, I still need the postcode for All Saints Church. Sentence12: Yes please, what is the Train ID and price? Sentence13: That won't be necessary but thanks anyway. Although, I could use some help finding an attraction in the centre of town. Sentence14: Their phone number is 01223452587. There is no entrance fee. Is there anything else that i can help you with? Sentence15: I need a train leaving Thursday after 17:45. Sentence16: The train ID is TR5433 and the cost is 10.10 GBP per ticket. Would you like me to book this trip for you? Question: Who has spoken the sentence 9? (A) User (B) System
[EX A]:
Answer: (B) System