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: Are there any that serve north american food? Sentence2: yes. please book for me a table for thee tommorow diner at 8 pm Sentence3: There phone number is 01223312598. Is there anything else I can assist you with? Sentence4: Yes, there is gourmet burger kitchen. It is an expensive restaurant. Would you like me to book it for you? Sentence5: Yes, the University Arms Hotel is located in the centre area and is on Regent Street. Would you like me to book a room for you? Sentence6: Okay can you also help me with a restaurant that serves Cantonese food in the city center? Sentence7: I just need their phone number. Sentence8: I need information on the university arms hotel. Sentence9: No I am good for now, thanks for all of your help. Sentence10: I need more info. Does the hotel have free parking and what is the price range? Sentence11: There aren't any restaurants in the city centre that serves Cantonese food. Would you like to try a different type of cuisine or try a different area? Sentence12: Thank you for contacting us and have a nice day. Sentence13: You asked about a hotel. Would you like to book a room or would you like me to help find a restaurant? Sentence14: It is in the expensive price range, but it does have free internet and free parking. Question: Who has spoken the sentence 9? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: I am looking for a particular hotel. Its name is called autumn house Sentence2: Thank you goodbye Sentence3: Could you try Wednesday, instead? Sentence4: You're welcome. Thank you for calling and goodbye. Sentence5: That's for 8 people and it's for 2 nights. Sentence6: Booking was successful. Reference number is : 3H0WHD4Z . Sentence7: No thanks. Would you book the Autumn House for me starting on Monday, please. Sentence8: I'm sorry, your booking was unsuccessful. Would you like to book another day or a shorter stay? Sentence9: How many people would be staying and how many days will you be staying? Sentence10: I have the Autumn House. It is at 710 Newmarket Road. Would you like the phone number? Question: Who has spoken the sentence 3? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: I am looking for a cheap place to stay that has free wifi. Sentence2: I am sorry the booking was unsuccessful. Would you like me to look at one of the other hotels that meet your criteria Sentence3: I have 10 hotels that meet that criteria. Is there a particular area you would like to stay in? Sentence4: I found a 4 star hotel with free wifi would you like me to book it? Sentence5: Yes for 8 people for 3 nights starting friday please. Sentence6: No, but it should be a 1 star establishment. Sentence7: Yes, lets go with 4 stars. Sentence8: On second thought, would you look for another hotel in the cheap price range? Please book it and give me the reference number. Sentence9: Okay. Have a good day! Sentence10: I'm sorry but all the cheap hotels with free wifi are either 0 or 4 stars? Would one of those options work for you? Sentence11: Booked at worth house. Reference number: DKEC3GVH . Sentence12: No thank you that will be all that I can think of . Sentence13: You are welcome. Thank you for contacting Cambridge TownInfo centre. You have a great day! Good Bye. Sentence14: That was great. Thank you goodbye! Question: Who has spoken the sentence 8? (A) User (B) System


Output: Answer: (A) User