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: Tuesday please at 18:15 for 6 people. Sentence2: Your booking at the Gonville Hotel was successful. The reference number is FHD472H3 . Can I help with anything else today? Sentence3: We have an expensive hotel called gonville hotel with free internet and parking. Would you be interested in booking a room here? Sentence4: Thanks, you have been very helpful. That is all I needed. Bye. Sentence5: I 'd like to find a hotel in the same area, one with three stars. Sentence6: What sort of dining does Cambridge offer in the centre, in the moderate price range? Sentence7: Yes it has free wifi and free parking. Sentence8: There are 21 different choices. What kind of food are you looking for? Sentence9: Your table at Ali Baba is booked, reference #NYH3ZPQN . Is there anything else I can help you with today? Sentence10: That sounds perfect. Can you book a reservation for 5 nights starting on Tuesday for 6 people? Sentence11: That will work can you make a reservation and send me the reference number please? Sentence12: I would like some christmas food. Sentence13: How about somewhere with Lebanese food? Sentence14: Thank you for using Cambridge TownInfo. Have a great day! Sentence15: Does it have free wifi? Sentence16: I'm sorry. I could not find a restaurant that meets that criteria. Would you like to try something else? Sentence17: of course, what day shall i make the reservation for? Sentence18: Yes, there is a moderately priced Lebanese restaraunt in the centre named Ali Baba. How does that sound? Question: Who has spoken the sentence 9? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: That was helpful! Thank you goodbye. Sentence2: What type of information do you need? Sentence3: I need information to find the huntingdon marriott hotel. Sentence4: You are booked at express by holiday inn cambridge. Reference number: FGSTOTPY . Sentence5: Unfortunately, the booking was unsuccessful. Would you like for me to find another hotel for you? Sentence6: Do you need anything else? Sentence7: I need help finding huntingdon marriott hotel please. Could you book a room for me for 6 people on monday for 5 nights please? Sentence8: I suppose so. Another hotel in the same general price range, if you can. Question: Who has spoken the sentence 1? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: Thank you for the information. Sentence2: In that case may I suggest the Acorn Guest House? It's located in the north and has a moderate price range with a four star rating. Sentence3: The man on the moon is the only concerthall, but it is in the the centre, would you like more info on that or for me to run another sarch? Sentence4: Are there any 5 star hotels in that area? Sentence5: Do they have internet? Sentence6: There are no 5 Star Guest Houses in the area. Do you have any other preferences? Sentence7: Okay, let's try a 4 star rating instead. Do you have any guesthouses listed with a 4 star rating? Sentence8: I don't care about the location or price. Sentence9: What is the price range and area? Sentence10: what is its entrance fee? Sentence11: Ok! Have a great day! Sentence12: Do you have any preferences on things to do or area? Sentence13: yes, there are 18 guesthouses with 4 star ratings. Sentence14: We don't have information on the entrance fee, but their number is 01223474144 if you would like to contact them. Sentence15: No thanks but I'm looking for something to do around town Sentence16: I am looking for a five star guesthouse to stay in. Sentence17: Can I look up anything else for you? Sentence18: Yes, they offer both parking and internet. Would you like to make a booking? Sentence19: They are located all across town, from all price ranges. Do you have any preferences? Sentence20: I am not finding any 5 star hotels. Would you like to try a different rating? Sentence21: That is all I needed. Sentence22: I need an attraction in the type of concerthall. Question: Who has spoken the sentence 18? (A) User (B) System


Output: Answer: (A) User