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

[EX Q]: Sentence1: Would you like to book a room at the acorn guest house? It is in the moderate price range like the Hamilton Lodge. Sentence2: Nope. I think that is all I need. Thanks for your help! Sentence3: Yes that will be fine. Sentence4: Your booking was successful. Your reference number is 1WRSIG9U . Is there anything else I can help you with? Sentence5: Happy to help. Have a great day! Good-Bye! Sentence6: I am sorry the booking was unsuccessful,can I help you find another place in the same area? Sentence7: Yes please. I'd like a room for 5 people on Monday for 5 nights. Sentence8: Yes, this guesthouse is open. Do you need help with booking? Sentence9: How about another hotel in the same price range? Sentence10: Howdy! Is the Hamilton Lodge still open? Question: Who has spoken the sentence 3? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: Where did you want to get on the train? Sentence2: Alpha-Milton Guest House is 3 stars with no internet or parking. Would you like to book a room there? Sentence3: Okay, there are lots of choices. What time of day would you like to travel? Sentence4: I'd like to book it for 4 people and 2 nights starting Monday. I need the reference number as well. Sentence5: Yes, I am looking for a place to stay. I would prefer to stay in the North at a 3 Star location. Sentence6: No, I don't need assistance with the booking. Can you tell me the cost of the ticket though? Sentence7: I show 2 option, both in the moderate price range. Do you need parking or internet? Sentence8: TR7940 will get you there by 20:38, would you like me to book it you some tickets? Sentence9: Yes, I need a train to get me to Cambridge on Monday. Sentence10: The cost per ticket is 16.50 pounds. Can I assist you with anything more? Sentence11: Neither of those matter, but I would like it to be a guesthouse. Do one of those match? Sentence12: No, that's everything. Thank you. Sentence13: You're welcome! I hope that you enjoy your stay in Cambridge. Have a nice day. Bye. Sentence14: Fantastic, your reference number is T2AUGQ7S . Is there anything else you need today? Sentence15: I need to get there by 20:45. Sentence16: I will be departing from peterborough. Question: Who has spoken the sentence 8? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: I need a place to stay in cambridge. A hotel in moderate price range would do it. Sentence2: There are 18 moderately priced places to stay. Is there an area you'd like to stay in? Sentence3: You're all set! Reference number is LX1F2BXI . Sentence4: Yeah, you can go ahead and book it for 2 people. I'll be staying for 3 nights starting on Thursday. Sentence5: Yeah, I'd like to stay in the center of town. Oh and I'll need free wifi! Thanks. Sentence6: Ok i will find you one and notify you as soon as possible Sentence7: Thank you. I also need to find a restaurant near the hotel in the moderate price range. Sentence8: Okay I have one option for you called Cityroomz. Would you like me to book it for you? Question: Who has spoken the sentence 5? (A) User (B) System
[EX A]:
Answer: (B) System