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

[Q]: Sentence1: I don't have anything matching your request, would you like to change your hotel location or star rating? Sentence2: Hi. Could you help me with finding a hotel? Sentence3: No, thanks. That's all. Have a blessed day. Goodbye. Sentence4: Okay that was comleted successfully and your reference number is E5BQH7U1 . Sentence5: How about a 4 star hotel with free parking? Sentence6: I need a hotel for 4 people and 4 nights starting from thursday Sentence7: Great thanks. I need a taxi from Gonville Hotell to Cherry Hinton Hall and Grounds at 13:15. Sentence8: There are actually no lodgings of any kind in the east part of town listed. Would you like to try another area. The centre is very popular? Sentence9: Your taxi was booked successfully. You will be picked up in a black Tesla by 13:15 at the Gonville Hotel and dropped off at Cherry Hinton Hall and Grounds. Sentence10: This is really frustrating. Can you find me any 3 or 4 star hotels anywhere ? Sentence11: Great. Do you have a contact number? Sentence12: I'm still not finding anything. Would you like a different area? Sentence13: Thank you for using the Cambridge TownInfo centre. Goodbye. Sentence14: Absolutely! It is an entertainment attraction in the east. Phone is 01223446104. Postcode is cb18dw. And address is cherry hinton road. There is no entrance fee information listed. Sentence15: book for 4 people 4 nights from thursday Sentence16: Absolutely, do you have any other requirements? Sentence17: Could you double check for a 3 or 4 star hotel on the east side with free parking? Sentence18: Oh wow. I really need to find something. Would you mind looking again? 4 Star rated in the east with free parking. I would really appreciate it. Sentence19: Sorry. There are no matches. Is there anything else I can do for you today? Sentence20: That was a mistake. There are lots of 4 star hotels here. What is your price range? Sentence21: I am sorry but there are no 4 star hotels in the east in the expensive range. Would you like to try another price range, area, or star rating? Sentence22: Leverton House is a 4 star guesthouse in the east part of town in the cheap price range with both internet and parking included. Is there anything else today? Sentence23: Let's go expensive. I need to book it for 4 people for 4 nights on Thursday. Sentence24: I'm sorry but I have a hard time believing there is no place to stay in the east with either a 3 or 4 star rating. Sentence25: A 3 star hotel on the east side would be preferable. Sentence26: Their contact number is 07167487501. Is there anything else I can assist you with today? Sentence27: Since you say there are no 3 or 4 star hotels in the east, I will settle for the centre of town. Sentence28: I'm sorry there are no matches. Sentence29: Can you please provide me with information on the attraction cherry hinton hall and grounds? Sentence30: Gonville Hotel is a great hotel located in the centre. It's 3 stars and is in the expensive price range. Would you like me to book you a room? Question: Who has spoken the sentence 10? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: There is a moderate priced Indian Restaurant located on the east side, would you like that address? Sentence2: That's it, thanks. Good bye. Sentence3: Thank you for calling. Goodbye. Sentence4: Yes please, could I have the address, phone number, and postcode of the venue? Sentence5: located in the east side Sentence6: Hi, I want a moderately priced restaurant. Sentence7: curry prince's address is 451 Newmarket Road Fen Ditton, their postcode is C.B 5, 8 J.J. Their phone number is 01223 566388 Sentence8: There are several restaurants in the moderate price range. Do you have a preference for the type of food or part of town? Sentence9: Thank you. Sentence10: You're welcome. Anything else I can help you find? Question: Who has spoken the sentence 6? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: The Acorn Guest House is moderately priced and 4 stars. Would you like to book there? Sentence2: I do not prefer a particular area of town but I would like the hotel to be a guesthouse. Sentence3: I need to book a room for two nights please. Sentence4: I do not care about the price range Sentence5: I am also looking for a hotel in town. I would need free parking and free wifi. Sentence6: In order to book your room I will need to know the dates you will be staying and the number of guests. Sentence7: I want to try a local restaurant called Jinling noodle bar, can you help? Sentence8: Your taxi has been booked and it is a red honda and its contact number is 07876946762. . Sentence9: That sounds great. Yes please! Sentence10: No thank you, but can you make a booking for 2 people at 17:30 on wednesday? Sentence11: I would like the booking starting on Wednesday for 2 people please. Sentence12: Thank you! I also need to get a taxi to get me to the restaurant by 17:30. Sentence13: There are 21 accommodations that meet your criteria. Is there a particular price range you prefer? Sentence14: Thank you for using the Cambridge TownInfo centre. Have a great day! Sentence15: I have made a booking for you for two nights. Your reference number is 1H5BM0PN . Is there anything else I can help you with? Sentence16: And how many days would you like to stay? Sentence17: Absolutely! The address of the restaurant is 11 Peas Hill City Centre, and their telephone number is 01223566188. Would you like me to help you find a taxi there? Sentence18: Alright, your table has been booked at the Jinling Noodle Bar for Wednesday at 17:30 for 2 people. Your reference number is VJ15Q075 . Is there anything else I can do? Sentence19: Thank you for your help. Good Bye! Sentence20: Do you have an area of town you prefer? Question: Who has spoken the sentence 13? (A) User (B) System
[A]:
Answer: (B) System