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: There are 2 expensive French restaurants. Restaurant Two Two, and Cote. Which would you like to book? Sentence2: No, that's everything I needed today. Thank you. Sentence3: Are you able to find me a french expensive restaurant? Sentence4: You're quite welcome! Thanks for contacting the Cambridge TownInfo Centre and have a great day! Sentence5: I like the sound of Restaurant Two Two, could you give me their postcode, address and phone number? Sentence6: Restaurant Two Two is located at 22 Chesterton Road, Chesterton. Their postcode is cb43ax. You can reach them at 01223351880. Any other information I can provide? Question: Who has spoken the sentence 5? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: Okay, great. Have a safe trip. Goodbye. Sentence2: Yes please. I need it booked for 1 person for 2 nights starting tuesday. Can i get a reference number? Sentence3: I have found the allenbell guesthouse. It meets all of your criteria, is in the cheap price range, and provides internet and parking. Would you like me to book it? Sentence4: Thank you, that is it for today. Goodbye. Sentence5: The reference number for your booking is KEBFTR7I . Can I do anything else for you? Sentence6: I need a place with rated 4 stars in the east. Can you help me find one that like a guesthouse? Question: Who has spoken the sentence 1? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: If there is no hotel availability, I will accept a guesthouse. Is one available? Sentence2: There are 6 nightclubs located in Cambridge. 5 in the Centre and 1 in the South; do you have a preference? Sentence3: They all also offer free parking. Would you like to book a room? Sentence4: No preference, surprise me. I'll just need the postcode. Sentence5: Yes, I'd prefer a hotel over a guesthouse and I need to stay in the north. Sentence6: Do any of the guesthouses have access to internet for their guests? Sentence7: The Soul Tree Nightclub I have heard is the best. Their postcode is cb23qf. Anything else you need? Sentence8: Okay, I am glad I could help. Have a wonderful day. Sentence9: Yes, there are 7 guesthouses in the north that meet your needs. 6 are moderate and 1 is cheap. Would you like more information? Sentence10: Okay. Thank you very much for your help. Sentence11: There are 19 hotels available with a 4 star rating and free parking. Would you like to add any additional preferences? Sentence12: How about free parking? Sentence13: Yes I need to find a hotel with free parking and 4 star rating. Sentence14: yeah all of them do, any other preference? Sentence15: I think that takes care of everything. Sentence16: The Acorn Guest House is at 154 chesterton road, and its phone number is 01223353888. There are no nightclubs in the north part of town. Sentence17: Can I help you with anything else today? Sentence18: I'm afraid no hotel in the north matches your inquiry, perhaps a different star rating? Sentence19: Could I get the phone number and address of one of them? Also can you find me a nightclub nearby and give me their postcode? Sentence20: I am going to visit and would like to go to a nightclub. Any suggestions? Question: Who has spoken the sentence 10? (A) User (B) System


Output: Answer: (A) User