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: The area doesn't matter. I would like free wifi though, if possible. Sentence2: Not really, how about 4 star? Sentence3: Do they also have free parking? Sentence4: I have many options. Do you have a preference for the area you would like to stay in. Sentence5: There are several moderate 4-star places to stay throughout town, but they are all guesthouses. Would a guesthouse work for you? Sentence6: acorn guest house does have free parking,would you like that one? Sentence7: Dojo Noodle Bar is a nice cn I book you a table ? Sentence8: I'm looking for a moderately priced, 1-star place to stay. Sentence9: No, I don't need a hotel booking at this time. I'd like to find a place to dine on Sunday. Sentence10: Unfortunately we do not have any moderately priced 1 star hotels in Cambridge. I'm sorry! Cityroomz has 0 stars in the centre, does that work? Sentence11: Would you like me to reserve the acorn guest house for you? Sentence12: Yes. I also need to find a place to dine that is in the center and the same price range as the hotel. Question: Who has spoken the sentence 9? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: I can get you a ticket on the tr8495 it will get you there by 10:55, or is that too early? Sentence2: I'm sorry I changed my mind. I just need the price per ticket please. Sentence3: I'll be going from Cambridge to Norwich. Sentence4: Yes. Please reserve for 5 people on Monday at 14:00. Sentence5: Have a great day and enjoy your time in cambridge. Sentence6: No that sounds good,please book it for me Sentence7: I also need a moderate restaurant in the town centre that serves European food. Sentence8: The price is 17.60 pounds sterling. Can I help with anything else? Sentence9: How many tickets will you be needing? Sentence10: Booked. The table will be reserved for 15 minutes. Reference number: XLZVMYRL . Sentence11: I need to take a train to here. I want to arrive by monday at 17:15. Sentence12: Great. I can't wait. Thanks! Goodbye! Sentence13: The riverside brasserie serves modern european food. Would you like to make a reservation today? Sentence14: Okay, there are plenty of options. Where are you headed? Question: Who has spoken the sentence 11? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: Can I have a reference number for the restaurant? Sentence2: Can you email or fax me the information for my personal reference? Thank you for your assistance. Sentence3: for when and how many in your party please? Sentence4: Nevermind, I wrote the info down. I'll text it to everyone else, it'll be faster that way. Thanks for your help! Sentence5: The post code for Williams Art and Antiques is cb12lj. Sentence6: Do you have a price range in mind? Sentence7: Great I also need to get a taxi that can get me to the restaurant by 11:15 Sentence8: I have 4 expensive restaurants in the centre, cafe uno is a good one. Would you like me to make reservations? Sentence9: The reference number for the restaurant is MXMOHDJ7 . Sentence10: What is their postcode? Sentence11: For 7 people at 11:15 on Saturday, please. Sentence12: I know the place! It's located in the centre and it's free of charge. Sentence13: I also need a taxi. Sentence14: Booking completed! Booked car type : red volvo Contact number : 07479126194 Sentence15: Your restaurant Reference number is : MXMOHDJ7 . And your taxi contact number is 07479126194. Do you have a number I should forward this information to? Sentence16: look out for a red volvo and the contact is 07479126194 Sentence17: Glad I could help. Have a nice day! Sentence18: I would like an expensive restaurant. Sentence19: I am looking for an attraction called Williams Art and Antiques. Sentence20: Ok, that booking was successful, and the table will be reserved for 15 minutes. Sentence21: Caffe Uno will be fine. Yes, I'll need to reserve a table on Saturday. It will be at 11:15 for 7 people. Sentence22: Thank you, I am also looking for an Italian restaurant in the centre. Question: Who has spoken the sentence 19? (A) User (B) System


Output: Answer: (B) System