You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Ex 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

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: i am looking for information in Cambridge. Sentence2: I can certainly help you with that! What do you want to know? Sentence3: The hotel should have a star of 4 and should include free parking. Sentence4: I'd like to stay at a guesthouse that offers free wifi. Sentence5: The Alexander bed and breakfast is a great place. Do you need a reservation? Sentence6: Acorn Guest House would be perfect for your needs. Sentence7: yes, please. 6 people for 3 nights starting on thursday. Sentence8: Do you have a price range or area preference? Because if not, how about a and b guest house located in the east and moderately priced. Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: Yes, I need a train from cambridge to stevenage on wednesday. Sentence2: Please book 3 seats and send the reference number. Sentence3: I sure could use a nice hotel to stay in. Can you find me one in the east? I don't need free WiFi. Sentence4: Yes it does. Would you like reservations? Sentence5: There are three cheap options in the east. Leverton House, Autumn House, and Allenbell. Would you like the phone number for any of them? Sentence6: Have a nice day. Sentence7: Thank you that is all I needed. Sentence8: I don't need hotel reservations. I just need address, price range, star of the hotel. Sentence9: Does it include free parking? Sentence10: When would you like to arrive by? Sentence11: No preference just fine a train that leaves after 17:45. Sentence12: Yes, that is a hotel. Should I make a booking for you? Sentence13: I am look for a hotel on the east with free parking. Sentence14: I'd be happy to book it for you! I just need to know what day you're arriving, how many nights you're staying, and the number of people in your party. Sentence15: I have train TR0609 leaving at 19:21 and arriving at 20:10. Sentence16: That will be okay. Can you book that? Sentence17: What time would you like to travel? Sentence18: It's a 2-star hotel. Sentence19: Is that a hotel? Sentence20: It is a 2 star expensive hotel, their address is 15-17 Norman Way, Coldhams Business Park, phone number is 01223866800. Is there anything else I can assist you with? Sentence21: We need to leave after 17:45. Sentence22: The express by holiday inn cambridge is in the east with free parking and interenet. It is in the expensive price range. Would you like to reserve a room? Sentence23: how many stars? Sentence24: the reference is LIB89A1W . Question: Who has spoken the sentence 11? (A) User (B) System

Ex Output:

Answer: (B) System