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

[Q]: Sentence1: Taj Tandoori is an expensive Indian restaurant in the South. Would you like more information on them? Sentence2: I'm looking for an expensive restaurant in the south part of town Sentence3: Thanks for your call. Goodbye! Sentence4: Thank you goodbye. Sentence5: May I have their address and phone number? Sentence6: chiquito restaurant bar is located at 2G Cambridge leisure park cherry hinton road cherry hinton. Its phone number is 01223400170. Would you like anything else? Sentence7: Yes. chiquito restaurant bar serves mexican food in the expensive price range and is located in the south part of town. Sentence8: Is there anything else? Question: Who has spoken the sentence 7? (A) User (B) System
[A]: Answer: (B) System

[Q]: Sentence1: maybe, give me the address of one please Sentence2: There are several college's in the centre. How about Saint Catharine's College? It is on King's Parade and has free admission. Sentence3: I have train TR3343 arriving at london kings cross tuesday at 7:00. Shall I book that for you? Sentence4: Hi, I'm trying to find a place to go in the centre. A college would be fun to visit! Sentence5: Where will you be departing from, and what day would you like to travel? Sentence6: Yes, I need 4 tickets please. Please send me the reference number. Sentence7: Great! I would be happy to help you find one. Are you looking for one with free admission? Sentence8: Have a nice day and thank you for contacting us. Sentence9: Your tickets have been reserved, and just to clarify, that train departs at 07:00, and arrives in London, Kings Cross at 07:51. Wouldn't want you to miss the train! Ref#: AQDCG6N8 Sentence10: I'll be departing from Cambridge, and would like to leave on Tuesday. Sentence11: Thank you. I also need a train to London Kings cross, arriving by 9 Sentence12: OK thank you that is all I needed today. Question: Who has spoken the sentence 2? (A) User (B) System
[A]: Answer: (A) User

[Q]: Sentence1: Most of the hotels and guesthouses have free wifi. Is there a particular part of town that you're interested in? Sentence2: I am not showing anything would you like me to check in a different price range? Sentence3: I just need a moderately priced hotel with free wifi and parking. Sentence4: Are you sure you can't find any hotels moderately priced with free parking and free wifi anywhere? Sentence5: That address is Back Lane, Cambourne. The TR8636 departs Cambridge at 20:36, would you like to book a seat on that one? Sentence6: Thank you for all your help. That is all the information I need. Sentence7: I don't care what part of town it's in, but I would like it to be a hotel rather than a guesthouse, and I'd like it to be moderately priced. Sentence8: Yes, I'll need the address and I will also need a train from Cambridge to Norwich on Monday, leaving after 20:15 Sentence9: How long is the trip, and what time does it arrive in Norwich? Sentence10: I cannot find anything in a moderate price, but I found a cheap hotel for you. It's The Cambridge Belfry in the west. It has 4 stars. Is this alright? Sentence11: Glad to be of help. Thanks for using our service. Goodbye. Sentence12: Unfortunately there are no hotels or guest houses that meet those criteria. Would you like to try a different price range? Sentence13: I'm looking for a place to stay that offers free wifi Sentence14: the trip is 79 minutes long and it will arrive by 21:55. Question: Who has spoken the sentence 5? (A) User (B) System
[A]:
Answer: (B) System