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

[Q]: Sentence1: Reference number is 29IN9CT3 for the acorn guesthouse. Sentence2: Sounds great if it is portuguese. I'll take a reservation for 7 people at 20:00 for the same day. Sentence3: Okay, how about the Acorn Guest House in the north? Sentence4: There is. How does Nandos City Centre sound? Sentence5: Okay, it was my pleasure to assist you! Bye! Sentence6: No, that's all I needed today. Thank you for your help! Goodbye! Sentence7: do you have one the is portuguese food ? Sentence8: I'm looking for information on 4-star rated guesthouses in Cambridge Sentence9: You're all set. Your reference number is 6R5W1RRE and your table will be reserved for 15 minutes. Anything else? Sentence10: I suggest the dojo noodle bar, an asian oriental restaurant, would you like to make a reservation? Sentence11: Sure. Can we spend 5 nights starting on Sunday? I am going to need room for 7 people. Sentence12: I have a number of 4 star guesthouses available, would you like to book one in a particular area? Sentence13: I would also like to eat somewhere cheap in the middle of town. Sentence14: Not really. Could you suggest one with free parking? Question: Who has spoken the sentence 7? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: Let's try for saturday, but if that is not available then tuesday would be fine Sentence2: I was able to book you for Saturday. Sentence3: That will be all, thanks again. Sentence4: I would like to leave after 21:30. Sentence5: What day will you be arriving? Sentence6: I found Alexander bed and breakfast . Do you want to make a reservation? Sentence7: Yes bookit for the same group of people 4 nights. Sentence8: thanks can I get a reference number please? Sentence9: Yes, i am looking to book a room at the alexander bed and breakfast. Sentence10: You are welcome enjoy Sentence11: Would you like to leave or arrive by a certain time? Sentence12: Yes, whichever train has seats available for 7 people. Sentence13: I'm looking for a train that goes to Cambridge on Saturday Sentence14: I will be departing from broxbourne. Sentence15: We have 3 options that meet your criteria. All depart within an hour of each other starting at 21:32. Would you like me to book one of them for you? Sentence16: Your booking was successful, the total fee is 100.24 GBP payable at the station. The train departs at 21:32. Your reference# is UZFW2TAQ . Is there anything else? Sentence17: Where will you be departing from? Sentence18: Your reference number is XVE54KKH . Is there anything else I can do for you? Question: Who has spoken the sentence 5? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: I didn't mention that there are guesthouses in the east with free parking. Did you specifically need a hotel type or would a guesthouse be okay? Sentence2: I am looking for some places to go in the east. I'd like an entertainment attraction. Can you give me some suggestions and phone numbers please? Sentence3: What type of attraction is Cherry Hinton Hall? Sentence4: There is no hotel in the east with free parking Sentence5: Cherry Hinton Hall's number is 01223446104. The phone number for Funky Fun House is 01223304705. Sentence6: I recommend the Allenbell guesthouse. Would you like to book a room there? Sentence7: Do you have an accommodation type or price range? Sentence8: okay can you look for a hotel without free parking? Sentence9: It is an entertainment place, does that satiate your desires? Sentence10: Yes Allenbell has internet and the phone number is 01223210353 address is 517a coldham lane. Would you like for me to reserve you a room? Sentence11: What other types of attractions are available in the east? Sentence12: That sounds great. I also need a hotel in the same area as the attraction Sentence13: There are swimming pools, parks, museums and multiple sport attractions as well. Sentence14: I need a hotel with free parking. Sentence15: Can you let me know if they have internet, their address, and phone number? Sentence16: I will take anything with free parking. Question: Who has spoken the sentence 6? (A) User (B) System
[A]:
Answer: (A) User