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 need to leave on Wednesday sometime after 16:30. Sentence2: There are 21 guesthouses that include parking. Is there a price range or area you would like to stay? Sentence3: I need some help choosing a train from Cambridge to London King's Cross. Sentence4: It doesn't matter, we will also need wifi, and will be staying for 2 nights, starting on Monday. Sentence5: That sounds great. Can you go ahead and book it for me? Sentence6: I would recommend the Alexander Bed and Breakfast then. Sentence7: Your welcome! Please have a nice day! Sentence8: I have a train leaving at 17:00 and arriving at 17:51 would you like to book this? Sentence9: That's lovely. We also require lodging. Could you help find a guesthouse with free parking? Sentence10: Thanks so much! I'm all finished now, goodbye! Sentence11: Yes please make a booking for 3 people. Sentence12: Alright I booked it. Reference number is I5AR5Q3J Sentence13: The booking was successful. Reference number is : IGMRVY4Y Sentence14: The next train leaves Cambridge for London Kings Cross on Friday at 05:00. What day do you want to travel? Question: Who has spoken the sentence 9? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: I meed a moderately priced place to stay. Sentence2: There are 3 guesthouses that meet those requirements I recommend warkworth house. Would you like me to book it for you? Sentence3: I am also looking for a train. Sentence4: I have a train that arrives in cambridge by 18:07. It would be helpful to know your destination so I can serve you better. Sentence5: The train should leave from bishops stortford and go to cambridge and arrive by 19:30. Sentence6: I'll be happy to help you with that. What day would you like to travel and where would you like to depart from? Sentence7: I would like to stay in the east. It should have a 4 stars and I would also like free wifi please. Sentence8: Booking was successful. Reference number is : FGTT1OBZ . Is there anything else I can help you with today? Sentence9: thank you i think you should prepare before departure thank you Sentence10: I have found a list of hotels with a moderate price range, what area, type, star of the hotel would you like? Sentence11: I need to leave from Bishops Stortford the same day I arrive at the hotel. I need to arrive close to 19:30. Sentence12: Yes, please! 5 of us will be staying for 3 nights, and we're arriving on Friday. Question: Who has spoken the sentence 6? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: I really have a craving for some good chinese food. Can you suggest a place? Sentence2: Okay thanks! That's all I needed to know! Sentence3: Yes could I get the postcode of the nightclub? Sentence4: Thank you, enjoy your stay in cambridge. Sentence5: I just need one that is moderately priced. Can you just recommend one and give me the phone number please? Sentence6: Sure. The postcode is cb23hx. Sentence7: Sure, did you have anything in mind? We have quite a few free options! Sentence8: The Golden Wok is sensational. The phone number is 01223350688. Can I help you with anything else today? Sentence9: That is all I needed, thank you. Good bye. Sentence10: Could you recommend me some places to go that is in the centre? Sentence11: I enjoy The fez Club, it's a nightclub in the centre. It has a 5 pound entrance fee. Is there anything else I can help you with today? Sentence12: Thank you for using our service. have a good day! Sentence13: Oh anything would do really, just needs to be in the centre. Sentence14: I sure can! We have 17 wonderful chinese places, is there a particular area or price range you have in mind? Question: Who has spoken the sentence 12? (A) User (B) System


Output: Answer: (A) User