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

Ex Input:
Sentence1: Sure, what area of town would you like to stay in? Sentence2: There are entertainment attractions in the east, south, and west areas. Which would work best? Sentence3: Any area is fine Sentence4: cherry hinton hall and grounds located in the east is a very nice place to visit. Sentence5: what is your price range to narrow down on our choices Sentence6: lovell lodge has a moderate price range. is that it? Sentence7: Sounds good, I will give it a try, can I also get a place ot stay with free wifi and parking? Sentence8: I am visiting Cambridge and want to see some entertainment. Sentence9: Preferably in the north. Sentence10: There are 2 hotels with 2 stars. There are also 9 guesthouses with 0-, 3- or 4-stars. Which do you prefer? Sentence11: I think I'd choose one of the hotels. Either is fine, could you recommend one? And give me it's price range? Sentence12: Yes that will be all, thank you. Sentence13: I'm open to any price range as long as it meets everything else I need. Sentence14: you are welcome any time Question: Who has spoken the sentence 11? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Your reservation was successful and your reference number is UO8AN5FO . Is there anything else that I can help you with today? Sentence2: I am looking for the Alpha-Milton Guest house and would like to book it for 5 people for 2 nights starting Friday. Can you send me the reference please? Sentence3: That's all, thank you so much! Sentence4: Thank you for calling, enjoy! Goodbye. Sentence5: Sure, what is the name of the hotel? Sentence6: Hello. Can you help me in locating a certain hotel? Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: Where will you be departing from? Sentence2: I don't know what their entrance fees are. I can give you the phone numbers to call both of these places. Sentence3: No thank you that will be all! Bye! Sentence4: What are their entrance fees? Sentence5: It will be on friday and I only need 1 ticket for myself. Sentence6: Thank you. I also need a train to Cambridge, arriving by 19:15 Sentence7: Booking was successful, the total fee is 9.8 GBP payable at the station . Reference number is : D6A6C4N1 . Can I help with anything else today? Sentence8: Cherry hinton hall and grounds phone is 01223446104. I have no information on the entrance fee. Sentence9: what day will you be traveling? Sentence10: The east has both the funky fun house and cherry hinton hall and grounds. looking for something in particular? Sentence11: I will be traveling on Friday. Sentence12: I am looking for entertainment in the east of town. Sentence13: Thank you for contacting us and have a nice day. Sentence14: On what day will you travel? Sentence15: Can you please get me the entrance fee, address and phone number for these. Sentence16: I will be leaving from Kings Lynn. Question: Who has spoken the sentence 9? (A) User (B) System

Ex Output:

Answer: (B) System