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

Input: Consider Input: 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

Output: Answer: (A) User


Input: Consider Input: Sentence1: i am sorry. i have double checked and still do not find anything matching your criteria. would you like a different star rating? Sentence2: I can help with that. What kind of price range do you have in mind? Sentence3: there are a variety of good things in the north it depends on what you want i will find whatever you request Sentence4: There doesn't appear to be a 4 star hotel with wifi in the north. Can I interest you in a lower star rating? Sentence5: i need a hotel with wifi in the north part of town Sentence6: Perhaps there is a guestroom? Sentence7: No but would you like to try another location ? Sentence8: No, the hotel needs to have a 4 star rating. Can you please check your system again? Thanks Sentence9: I am open as far as price range, but I would love a 4 star place. Sentence10: No I need the north. Is there anything else available in the north? Question: Who has spoken the sentence 3? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: I'm looking for a certain hotel called the cityroomz. Can you tell me more about it? Sentence2: Yes I need to find a restaurant serving Irish food in the center of town that is expensive. Sentence3: Aww, that's a bummer. I was really wanting Irish food. How about Indian food? I could go for some good curry. Sentence4: Okay, how about Curry Garden? Sentence5: Booking was successful. The table will be reserved for 15 minutes. Reference number is : AIAOBIM7 . Is there anything else? Sentence6: Reference number is : 3CJPO87U . Is there anything else you need? Sentence7: Your taxi reservation on a yellow Volvo is complete. You will be picked up at CityRoomz and dropped off at Curry Garden by 15:00. Will that be all today? Sentence8: Yes Cityroomz is located in the centre and is on sleeperz hotel, station road. Would you like me to book a reservation for you? Sentence9: Yes, thank you, that will be all. Sentence10: I also need a taxi to take me from the hotel to the restaurant. I need it to arrive by the booking time. Sentence11: I don't have anything meeting that criteria. Can I try something else? Sentence12: I hope you enjoy your trip! Goodbye. Sentence13: Yes thanks. There will be 2 of us arriving for 5 nights on Sunday. Sentence14: That sounds great. Can you book a table for 2 Sunday at 15:00? Sentence15: I booked you a 5 night stay for two, beginning on Friday. Enjoy your stay! Sentence16: I need the reference number please. Question: Who has spoken the sentence 9? (A) User (B) System


Output: Answer: (B) System