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

[EX Q]: Sentence1: Eraina is in the centre of town located at Free School Lane City Centre. Their number is 01223 368786. Is there anything else I can do for you? Sentence2: Eraina in the centre is an expensive european restaurant. Would you like further information? Sentence3: what is the price range ? Sentence4: European food? Sentence5: Please recommend me an expensive restaurant that serves afghan food. Sentence6: They are in the expensive price range. Sentence7: What is the address, phone number, and area? Sentence8: I don't care where it is. Sentence9: Thank you. Good bye. Sentence10: I'm not finding any restaurants that match your request. Would you like to try a different price range or food type? Sentence11: There are four restaurants that serve European food. What part of town would you like? Sentence12: You are welcome, enjoy your stay. Good bye. Sentence13: That'll do. Thank you. Good bye. Sentence14: Thank you, and have a great day! Question: Who has spoken the sentence 3? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: Yes, there are 2 in the north, 1 in the east and 1 in the centre. Which would you be interested in? Sentence2: Train TR8464 leaves at 11:21 and arrives at 12:10. Would you like to book that one? Sentence3: Actually none of the pools in our database have an entrance fee listed. Is there anything else I can help you with? Sentence4: Im leaving from Cambridge and going to Stevenage. Sentence5: I'm looking for a train to stevenage, leaving on Sunday. Sentence6: Do you have entrance fees for any of the others? Sentence7: No, I need to leave some time after 14:30, and I'll be traveling to Cambridge. Sentence8: Thank you for contacting Cambridge TownInfo centre. I hope you have a pleasant trip! Goodbye! Sentence9: No thank you that is all the information I need today. Sentence10: Before we do that are there any attractions that feature a swimming pool in town? Sentence11: There are many trains at that time, where are you leaving from? Sentence12: What is the name, entrance fee, and phone number of the one in the center? Sentence13: the 1st train out of cambridge going to stevenage is at 15:21 arriving at 16:10. shall I get a ticket for you? Sentence14: The name is Parkside Pools. The entrance fee is not listed in our database, but you could probably get it by calling them at 01223446100. Question: Who has spoken the sentence 8? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: No, that's all I needed. Thanks for your help today! Sentence2: Can you search for a guesthouse that includes free wifi? Sentence3: The Avalon doesn't have room for 5 nights starting Monday. How about a different day or a shorter stay? Sentence4: That sounds perfect. Can I book it for 5 nights starting on Monday for 3 people? Sentence5: No, that doesn't matter, but I'd like something in the moderate price range. Sentence6: Avalon is available for four nights starting on Monday. Your reference number is 59GZA6ME . Can I do anything else for you? Sentence7: There are 14 options. How about the Avalon? It has 4 stars and free parking and wifi. Sentence8: You are welcome. Thank you for calling the Cambridge TownInfo Centre. Goodbye. Sentence9: Let's try 4 nights. Sentence10: We have 23 such places. Any preference on area? Question: Who has spoken the sentence 3? (A) User (B) System
[EX A]:
Answer: (B) System