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

Ex Input:
Sentence1: Yes try 15:30 on saturday and need a reference number thank you. Sentence2: I'd be happy to help you find something. Are you looking for something in town centre? There are cinemas, colleges, concert halls just to name a few. Sentence3: I'd love to try a local restaurant Sentence4: Just do what I say! I don't care what you choose! Give me the necessary information too. Then, get me a restaurant in the east that's expensive north indian food Sentence5: How about expensive restaurants that serve Indian food in the same area? Sentence6: Booking was successful. The table will be reserved for 15 minutes. Reference number is : MKRUJ1BR . Is there anything else I can do for you? Sentence7: I apologize but I was not able to book for that time. Would you like me to try another time slot? Sentence8: Try the Cambridge Museum of Technology which is a museum. The entrance fee is 5 pounds and postcode is cb58ld. There are no expensive North Indian restaurants in the east. Sentence9: First, I need an attraction in the east. Can you choose one and get me the entrance fee, postcode, and attraction type? Then I'd like an expensive restaurant in the east. Sentence10: I'm sorry, that's a lot of information for just one response. There are 10 attractions in the east - do you care what sort? Sentence11: We are happy to help. Thank you for using our service. Have a great day! Sentence12: I want the Pipasha for 1 at 16:30 on Saturday. Sentence13: We have many restaurants in town. What type of cuisine are you looking for, and what's your budget like? Sentence14: For expensive restaurants with Indian food, we have Pipasha, and the Sitar Tandoori. Sentence15: Great! That is everything I needed. Thank you! Sentence16: I'm looking for someplace to go in town. Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: The address of the Nirala is 7 Milton Road Chesterton at the cb1uy postcode. Their number is 01223360966. Sentence2: Then may I suggest the a and b guest house? Sentence3: I want the cheap one. Sentence4: royal spice it is. Shall book it for you ? Sentence5: I also will need a taxi to pick me up at the hotel and get me to the restaurant by 02:15. Sentence6: Booking was successful your ref number is 1R8GSLHI, anything else today? Sentence7: On second thought, I'd like to go with Nirala? My friends want to try something a little more moderately priced. Can you give me the postcode, address and phone? Sentence8: What area would you like it to be in? Sentence9: Goodbye, enjoy your stay Sentence10: You have two options, The Nirala is moderately priced, royal price is cheap, any preference? Sentence11: I don't have a preference for what area, I do however want free WiFi. I would also like to stay in a guesthouse. Sentence12: The guesthouse is located on the east side at 124 tenison road. I am trying to book it but the system must be busy. I'll try again in a minute. Sentence13: Thanks that will be all for today. Goodbye. Sentence14: Yes, I'd like to find an Indian restaurant in the north please. Sentence15: I have booked grey volkswagen with contact number 07588046247. Anything else I can be of help? Sentence16: yes can you book it for 7 people and 3 nights starting from thursday ? Sentence17: I am looking to stay at a 4 star rated place in the moderate price range. Sentence18: Please try again Question: Who has spoken the sentence 10? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: There are many 4 star hotels. What area and price would you like to be in? Sentence2: I've found the aylesbray lodge guest house. It has a moderate price and 4 stars. It offers free internet and parking. Shall I book it for you? Sentence3: Please help me find a four star hotel. Sentence4: I would like a cab leaving the hotel by 8:00 going to the restaurant, I need contact number and car type please. Sentence5: Somewhere South, mid price range and preferably a guesthouse type of hotel. Sentence6: Your red bmw was successful. Your contact number is 07998933072. Sentence7: The Bedouin serves African food, would you like me to book that for you? Sentence8: No, I just need the address and phone number. Sentence9: Thank you. I do not need any further help right now. Sentence10: Sorry, no venues found. Want to change the food type or price range? Sentence11: Okay, let's adjust the food type to african please Sentence12: Ok I will book it for you Sentence13: Is there any expensive Irish restaurants? Sentence14: They are at 100 Mill Road City Centre and can be reached at 01223367660. Is there anything else I can assist you with? Sentence15: Yes can you please book that. Sentence16: You're all set I've booked the Aylesbray lodge guesthouse for 3 nights 5 people starting Thursday. Your reference # is DTX3QITL . Is there anything else I can help you with? Sentence17: I need it for 3 nights starting Thursday. There will be 5 of us. Sentence18: Okay, it was my pleasure to assist you. goodbye Question: Who has spoken the sentence 14? (A) User (B) System

Ex Output:

Answer: (A) User