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: Of course. The restaurant is on 152 - 154 Hills Road and their phone number is 01223413000. Sentence2: What other restaurants are in the same area and price range? Sentence3: I'm sorry. That booking was not available. Would you like to find another restaurant? Sentence4: No, could you just book a table for 3? I'd like it for Wednesday at 12:15. Sentence5: That sounds good book it for 3 on wednesday at 12:15 please and I'll need the reference number too Sentence6: Thank you and you too. Sentence7: Yes can I have the address and phone number please? Sentence8: I'm sure we can. Cambridge offers 31 moderately priced restaurants. What sort of cuisine would you like? Sentence9: There is the restaurant alimentum that serves modern european food? Sentence10: Great, that's all I needed. Have a lovely day. Sentence11: I have made a reservation for you at the restaurant alimentum on Wednesday at 12:15 for 3 people. Your reference number is LX2XAAF4 . Would you like their address? Sentence12: I would prefer Italian and it has to be in the south. Sentence13: Hi! Can you find me a moderately priced restaurant for my girlfriend and I? Sentence14: I found one restaurant with those credentials, it's Pizza Hut Cherry Hinton, would you like the address? Question: Who has spoken the sentence 9? (A) User (B) System

Output: Answer: (B) System

Input: Consider Input: Sentence1: can you tell me what area that's in? Sentence2: The Avalon is a guesthouse at 62 gilbert road with free wifi but no parking. Would you like to book them or keep looking? Sentence3: A and B Guesthouse is in the east Sentence4: I have found 14 different guesthouses for you. What area are you interested in? and will you be needing parking? Sentence5: I'd like the accommodations to be a guesthouse, if possible. Sentence6: There are 3 hotels in the moderate price range with free internet. Do you want free parking and what area do you want to stay in? Sentence7: I need a guesthouse in the moderate price range with free wifi. Please let me know whether they have free parking. Sentence8: i'm looking for a moderately priced hotel that includes free wifi. Question: Who has spoken the sentence 1? (A) User (B) System

Output: Answer: (B) System

Input: Consider Input: Sentence1: the phone number for old schools is 01223332320 Sentence2: Okay, when and where are you going? Sentence3: I'm looking for architecture in the centre of town. Can you help me with this? Sentence4: Could I also get the phone number for the school? Sentence5: I will also need a taxi. Sentence6: What is the entrance fee for the school? Sentence7: There are 15 Italian restaurants in the city, could you give me a preferred location, so I can narrow the options down? Sentence8: 6 on Thursday at 16:45 please Sentence9: Old schools to the restaurant. Sentence10: You are welcome enjoy Sentence11: Hmmm how about Italian then Sentence12: Can i get the post code too please? Sentence13: We do not have any Caribbean options here, can I lookup another cuisine type or narrow it down by anything else? Sentence14: Yes the postal code is cb21tt. Sentence15: Ok, I'm also looking for a cheap place to grab some food. Maybe carribean? Sentence16: Certainly. There are four churches and a school you could visit. Sentence17: You are booked and your booking reference number is I3JNKDOD . Sentence18: Thank you for your help today, I do not need anything else. Sentence19: For the school it is free. Sentence20: Your all set, a yellow lexus will be picking you up in time for your reservation the contact number is 07323746090, is there anything else? Sentence21: I recommend dining at ask. How many people for your reservation, and what day and time? Sentence22: I would like to make sure the taxi arrives at the restaurant by my 16:45 reservation. Sentence23: I just want a cheap italian place. Choose one you recommend for me. Then I need help reserving it. Sentence24: What time would you like the taxi? Question: Who has spoken the sentence 16? (A) User (B) System
Output: Answer: (A) User