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

Ex Input:
Sentence1: I need one ticket please and for leaving at 16:15,thank you. Sentence2: Thank you! That's all for me. Goodbye! Sentence3: I need a Tuesday train to from Peterbourough. Sentence4: Glad I could help. Let me know if there's ever anything else you need. Sentence5: Sure they do have internet and their phone number is 01223327978. Sentence6: Let me confirm this information: Are you leaving from Peterborough at around 16:15 and going to Cambridge on Tuesday? Sentence7: Right now I just need their phone number and to know if they have internet or not please. Sentence8: There's a train, TR5267, which leaves Peterborough at 16:19, arr. Cambridge 17:09. It's 16.50 pounds per ticket. Would you like to book it? Sentence9: Could you help me book a hotel called el shaddai? Sentence10: What day would you like to stay at the el shaddai? Sentence11: Yes, that's mostly right, but it should be after 16:15, please. Sentence12: Yes, please book it for one person and provide the reference number. Sentence13: All booked. Your reference number is LBUHU6M3 . Is there anything else I can help you with? Sentence14: If your are going to cambridge the first train leaves at 05:19 and the last at 07:19, any particular time and how many tickets please? Question: Who has spoken the sentence 10? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: Is there any Indian food on the west side of town. Sentence2: You're welcome. May I help with another query? Sentence3: Cocum is located at 71 Castle Street City Centre and their phone number is 01223 366668. Their price range is expensive. Sentence4: The price range doesn't matter. Sentence5: There are 6 Indian restaurants in the west part of town. What price range do you have in mind? Sentence6: There are no Hungarian restaurants in the west of town. Would you like to change your query? Sentence7: I would like a Hungarian restaurant in the west of town. Sentence8: Yes, but just for one. Sentence9: Would you like the name, address and phone number of a few of them? Sentence10: Goodbye. Sentence11: Thank you! Sentence12: Nope, I'm good. Thanks again. Question: Who has spoken the sentence 9? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: No thanks, that will everything. Sentence2: I hope you enjoy your stay. Contact us anytime. Good bye. Sentence3: I have many. Is there a certain area you are looking for? Sentence4: Thanks that will be all. Goodbye Sentence5: Is there a room at the Lovell Lodge available for 1 person on Saturday for 3 nights? Sentence6: Are there any hotels in that area instead of guesthouses? Sentence7: There are no guesthouses that meet your criteria, can I check something else for you? Sentence8: OK, I booked a table for you at Saffron Brasserie. Your reference number is 65G14AF2 . Can I help with anything else? Sentence9: I'm looking for an expensive indian restaurant. Sentence10: I'd like to find a guesthouse in the north. I want it to have 2 stars. Sentence11: Yes it can be in centre. I would like to book it for 1 person at 20:00 on Saturday. Sentence12: Great, thanks! Now I'd just like a taxi to take me from Lovell Lodge to Saffron Brasserie by 20:00. Please give me the car and contact info Sentence13: There is the ashley hotel or the lovell lodge. Would you like me to make a reservation? Sentence14: Are you sure there is nothing else I can do for you today? Sentence15: Thank you for using our service today. Sentence16: Booking completed! Booked car type : red skoda Contact number : 07515009678 Sentence17: You are all booked! Reference number is 6O4VAAHM . Sentence18: You're welcome, thanks. Question: Who has spoken the sentence 13? (A) User (B) System

Ex Output:

Answer: (B) System