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: Limehouse for 1 person, 3 nights and starting on Sunday. Sentence2: Yes, of course. How many people are in your party? Sentence3: What area of town would be your preference? Sentence4: The range does not matter. Just the Indian place you think best. Sentence5: Yes what area are you looking to dine in? Sentence6: You're welcome, glad I could help. Sentence7: Is that a guesthouse? Sentence8: Thank you. I am also looking for a place to stay. It doesn't need internet and should be moderately priced. Sentence9: I would recommend the The Golden Curry. Would you like to make a reservation? Sentence10: That's okay. How about Indian? Sentence11: I sure can. What type of restaurant are you looking for? Sentence12: Thank you for all your help. Have a great day. Sentence13: I'm looking for Cuban food. Sentence14: It is a guesthouse. Would you still like me to book it? Sentence15: I don't have a preference. What would you recommend? Sentence16: There are no Cuban restaurants unfortunately. Sentence17: Yes, let's make it for 1 person at 19:45 on sunday. Sentence18: Yes, I love guesthouses when I travel alone. Can you book it for three nights please, starting on Sunday. Sentence19: I'd recommend the Limehouse, it's in the north and has 4 stars. Would you like me to book a reservation? Sentence20: Your reservation is successful, they'll hold the table for you for 15 minutes. Reference number is 6CVKLM3F . What else can I help you with? Sentence21: In the Centre as well please. Sentence22: I have 9 restaurants available. What price range would you prefer? Sentence23: Would you be so kind as to help me find a place to dine later? Sentence24: Booking was successful. Reference number is : 2VEHCBYQ . Question: Who has spoken the sentence 13? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: I am planning a trip in Cambridge Sentence2: I found the express by holiday inn cambridge. It is a 2 star expensive hotel free parking and internet. The address is15-17 norman way, coldhams business park. Sentence3: Where will you be departing from? Sentence4: Thanks! i'm also looking for a place to stay in the east. Sentence5: I need to first find out what train will take me away after I am done. I need to get to Peterborough on Sunday by 21:45 Sentence6: Departing from Cambridge. I need the departure time, train ID and price. Sentence7: Okay, we've got a few options. The best looks like train TR6958 that leaves Cambridge at 20:34 and arrived in Peterborough at 21:24. The price is 13.2 pounds. Sentence8: That sounds like fun! What information can I help you find? Question: Who has spoken the sentence 5? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: I am looking for a restaurant that serves british food in the west area. Can you locate one for me please? Sentence2: Thank you! That's all I need from you today. Sentence3: Okay I booked you into an Indian restaurant that is moderately priced called Prezzo and your reference number is TMT76MHK . Sentence4: I would like to get information about moderately priced. Sentence5: There are 3 results for restaurants in the west that serve British food. Do you prefer moderately priced, or expensive? Sentence6: I need something else in the West, moderate priced. Sentence7: Okay. Do not hesitate to call us again if you need anything else. Sentence8: I have st johns chop house within the moderate price range. Can I book it for you? Sentence9: Can you check to see if booking is available for 5 people at 19:30 on Sunday? Sentence10: Sorry, but there is not space for 5 people. Can I search a restaurant in the north? Question: Who has spoken the sentence 4? (A) User (B) System


Output: Answer: (A) User