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

Ex Input:
Sentence1: You are welcome. Have a great day. Sentence2: Thank you, that will be all. Sentence3: leave after 22:30 and dont care when i arrive Sentence4: Hello. Can you book a taxi for me? I need to travel from the Grafton Hotel Restaurant to Home From Home. Sentence5: No problem at all. What time do you want to leave and arrive by, respectively? Sentence6: Alright, I've got a white skoda coming to pick you up at the Grafton Hotel Restaurant at 22:45, your contact number for them is 07935014262. Question: Who has spoken the sentence 1? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Thanks for using our services. Sentence2: I would prefer moderate price range. Sentence3: Got everything. Thanks. Goodbye. Sentence4: The restaurant is called meghna. The postcode is cb43lf, the address is 205 Victoria Road Chesterton. Anything else? Sentence5: Are there any Indian restaurants there? Sentence6: no, I just need to know the postcode. Sentence7: WHich price range do you want? I have expensive and moderate. Sentence8: Yes, there are 22. What area would you like to dine in? Sentence9: I want to dine in the west. Sentence10: I have found one, Can I make a booking for you? Question: Who has spoken the sentence 5? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Thanks. I am also looking for a hotel in the north. I want something with a 3 star rating. Are there any available? Sentence2: There are four theatres in that area. Cambridge arts theatre is a nice one in that area. Sentence3: It will just be me. I will be arriving Tuesday and staying for 3 nights. Sentence4: Booking completed! Booked car type: grey volvo Contact number : 07836799900 Sentence5: Booking was successful. Reference number is 9MSRK9GO . Do you need help with anything else? Sentence6: Wonderful. Can you get me the address and postcode? Sentence7: I will need a taxi to go from the theatre to the hotel. Can you help me with that? Sentence8: I would like the taxi to be there by 04:30. Also could i have the contact number of the taxi? Sentence9: Great enjoy your visit! Sentence10: Thank you! That is all that I need. Sentence11: That sounds perfect. Yes, I would like to book a room please. Sentence12: Sure, the address is 6 saint edward's passage and the post code is cb23pj. Sentence13: I don't mind something a bit pricey, and I definitely need wifi. Sentence14: Yes I have two both in the moderate price range. Any preference for amenities? Sentence15: When will you be arriving and how many nights will you be staying? How many in your party? Sentence16: I sure can. What time would you like the taxi be there? Sentence17: Hamilton Lodge has free wifi and is in the moderate price range. Would you like to book a room? Sentence18: Are there any theatres in Cambridge, particularly close to the city centre? Question: Who has spoken the sentence 12? (A) User (B) System

Ex Output:

Answer: (A) User