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

[Q]: Sentence1: Can you give me more information about shopping? Sentence2: There are two hotels meeting your criteria. Can I recommend Gonville Hotel in the Centre area. It has parking and internet. Do you want that booking? Sentence3: There is nothing that is 3 stars which includes wifi, can I check for something else? Sentence4: I need you to find me a hotel with free wifi and a star rating of 3 in the west. Sentence5: There are no 3 star locations with parking. Sorry. Is there anything else I can help you with toay? Sentence6: What date are you checking in and how many are in your party? Sentence7: I'm sorry but i'm confused. Where would you like reservations at? Sentence8: the postcode is cb30ds Sentence9: What area of town will you be shopping in? Sentence10: I will be in the west part of town, but I think I am more interested in college visits if you could help me with that. Sentence11: Nothing matching your criteria exists on the west side.s location matter? Sentence12: No, the location does not matter. Sentence13: Hmm can you check one more time, it should really be a hotel. Sentence14: Actually, I wanted a 3 star hotel with wifi, not parking. Can you check again? Sentence15: No the area doesn't matter as much, please provide me with the reference number. Sentence16: Thanks! I'm also looking for somewhere to stay. Any hotels? Maybe around a 3 star, and I need wifi. Sentence17: Sure, what's the postcode for that college? Sentence18: I have 5 in the west can I recommend churchill college? Sentence19: book it for 2 people and 2 nights starting from sunday. Sentence20: Sorry, I'm not seeing anything that matches your request. Would you want to try a guesthouse? Sentence21: There are two, does the area matter to you? Sentence22: Can you recommend a 3 star hotel then? I'd like a room for 2 nights on sunday, for two people. Question: Who has spoken the sentence 5? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: No thank you. I have everything I need. Sentence2: The earliest train leaving after 11:45 is at 12:09 on friday. Would you like me to book this for you? Sentence3: I need 1 ticket for departure on Thursday. Sentence4: i need a train going to leicester that leaves after 11:45 Sentence5: That is fine. Can I have the train ID once it's booked? Sentence6: Of course, what day will you be traveling, and how many people will be in your party? Sentence7: I was successfully able to book you a reservation for 7. The reference number is R2RPLBI3 . Can I help you with anything else? Sentence8: There is one restaurant called bedouin, but unfortunately it does not have any open reservations for matching your specifications. Could you provide another day or time? Sentence9: Yes I want to reserve a table for 7 people at 15:00 on Thursday at an expensive African restaurant. Can you help me with this? Sentence10: Could you get a reservation at a difference expensive African restaurant? Sentence11: There are no tables available at Bedouin at that time. Would you like to try a different time slot or perhaps a different day? Sentence12: I will be departing leicester going to cambridge, sorry for the confusion. I need to leave after 11:45 also. Sentence13: Sure. If there are no other African eateries to choose from, try the 14:00 at the Bedouin. Sentence14: Sure, are you going to leicester, or to cambridge? What is your departure site please? Sentence15: Great. I have booked you one seat on the 12:09 train from Leicester and your reference number is 7UR3BFW6 . Is there anything else I can do for you? Sentence16: You are welcome. Good bye. Question: Who has spoken the sentence 15? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: In what section of town are you looking to stay? I have 8 different lodgings that fit your requirements. Sentence2: I am not really picky. Sentence3: I would like the arbury lodge guesthouse Sentence4: Are either of those in the cheap price range? Sentence5: Great, thank you for using Cambridge TownInfo centre. Goodbye! Sentence6: I'm sorry. Alexander bed and breakfast is fully booked. Do you want to book starting another day or for a shorter stay? Sentence7: That sounds good, yes. I need 4 nights booked for me, beginning Friday and for 7 people. Sentence8: No, I've got everything I need. I appreciate your help. Sentence9: No, but the alexander bed and breakfast is in the cheap range and has wifi. It's in the centre of town. Would you like me to reserve a room for you? Sentence10: Yes, 3 nights please and can I have a reference number Sentence11: I've booked that reservation. The reference number is 1G6A07OI . Can I assist with something else? Sentence12: I am looking for a place to stay. The hotel should have a star of 4 and should include free wifi Sentence13: Try the a and b guest house or arbury lodge guesthouse Sentence14: Is it cheap? Question: Who has spoken the sentence 5? (A) User (B) System
[A]:
Answer: (B) System