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'm sorry, I only know that it is moderately priced. Can I book a room for you? Sentence2: What is the price range? Sentence3: Is there a particular area of the city where you'd like to stay? Sentence4: No that's all. Thanks! Sentence5: Yes. There are a number of hotels with wifi. Archway House is one of them that I can recommend. Sentence6: You have a nice day. Good bye. Sentence7: Howdy! I'm in town for the night and need a place to stay. I'd like a four star joint with free parking, if you please. Sentence8: no that's fine. Sentence9: Nice! I hope you enjoy this beautiful city, I found 5 hotels for you. What is your price range? Sentence10: Is there anything else you will need today? Sentence11: Archway house is in the moderate price range. They are located at: 52 gilbert road. Anythign else you need? Sentence12: I have 16 guesthouses that are 4 star and have parking, do you have any other requirements to help narrow the search? Sentence13: I don't have a price range. As long as it's nice. Sentence14: Sure, what is its address and price range? Sentence15: Do any of those have free wifi? Sentence16: No, I don't care about the area, either. But do you have a guesthouse? Question: Who has spoken the sentence 1? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: I'm sorry. I changed my mind. I don't want a guesthouse. Are there any hotels with 2 stars? Sentence2: Great that was all I needed today, thank you. Sentence3: Is there a particular area you would like to stay in? Sentence4: There isn't a guesthouse with 2 stars and free internet available. Is there another type of hotel I can look up for you? Sentence5: Great Glad I could be of help to you. Sentence6: I have you booked in the Ashley hotel. Your reference number is CW6YMT0B . Is there anything else I can do for you today? Sentence7: No, just any 2-star hotel with free wifi will do. Sentence8: Hi, I need a guest house please. Sentence9: Do you have a specific location you want to be? Sentence10: No, but I need free wifi and I would like a 2 star guesthouse please. Sentence11: I have 3 guesthouses all in the moderate price range. Would you like me to choose one for you? Sentence12: I found 3 for you all in the expensive price range. Can you please give me the details so that I may book it for you? Sentence13: Yes, how about a guesthouse with 3 stars and free wifi instead? Sentence14: I would like it for 6 people for 2 nights starting on Wednesday. Question: Who has spoken the sentence 11? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: I have a 9:17 train that will get you into Cambridge by 10:08. Sentence2: I need a good place to eat dinner. I Like Italian, what do you suggest? Sentence3: Great. I will be leaving London Kings Cross and want to get to Cambridge by 11:45 the day I eat at the restaurant. Sentence4: The travel time is 51 minutes and the per ticket price is 23.60GBP. Sentence5: feel free to contact us again should you need more assistance. goodbye. Sentence6: I can suggest the pizza express in the centre. Would you like more information on that? Sentence7: Please make a booking for a table of 2 at 16:15 on Thursday and provide the reference number. I also need to look for a train. Sentence8: I do not have a preference in price. Sentence9: Sure! There are plenty of options. Do you prefer a certain area or price range? Sentence10: Okay, may I please have the travel time and price? Sentence11: Thank you so much, I will book later. Have a great day, you have been helpful. Sentence12: I booked you a table for 2 for Thursday at 16:15 at the Pizza Express. Your reference number is 6PXRDIHG . Now let me help you with the train Question: Who has spoken the sentence 1? (A) User (B) System


Output: Answer: (B) System