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

Ex Input:
Sentence1: No but I would like the phone number. Sentence2: You're very welcome! Have a great day! Sentence3: We have La Tasca, at 14 - 16 Bridge Street. Would you like a reservation? Sentence4: Awesome. Can you give me some information on local theatres? Sentence5: There are some entertainments available do you want the information? Sentence6: The phone number is 01223464630. Is there anything else I can help you with? Sentence7: I was unable to find any in that area, do you have any other place you'd like to try? Sentence8: That is all, thanks. Sentence9: I'm interested in getting some entertainment later. Sentence10: Can you give me the address, phone number, and entrance fee info for the one in the south? I also need a restaurant that is moderately priced in the centre. Sentence11: Thank you. Can you help me find a moderately-priced Latin American restaurant in the centre? Sentence12: The theatre is called, The Junction. It is located at Clifton Way, cb17gx. The phone number is 01223511511. I'm not sure if there is an entrance fee or not. Sentence13: Actually, let's try another kind of food. How about spanish? Sentence14: There are 5 theatres one in the south and 4 in the centre. Is there an area you prefer? Question: Who has spoken the sentence 10? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: Reference number is 29IN9CT3 for the acorn guesthouse. Sentence2: Sounds great if it is portuguese. I'll take a reservation for 7 people at 20:00 for the same day. Sentence3: Okay, how about the Acorn Guest House in the north? Sentence4: There is. How does Nandos City Centre sound? Sentence5: Okay, it was my pleasure to assist you! Bye! Sentence6: No, that's all I needed today. Thank you for your help! Goodbye! Sentence7: do you have one the is portuguese food ? Sentence8: I'm looking for information on 4-star rated guesthouses in Cambridge Sentence9: You're all set. Your reference number is 6R5W1RRE and your table will be reserved for 15 minutes. Anything else? Sentence10: I suggest the dojo noodle bar, an asian oriental restaurant, would you like to make a reservation? Sentence11: Sure. Can we spend 5 nights starting on Sunday? I am going to need room for 7 people. Sentence12: I have a number of 4 star guesthouses available, would you like to book one in a particular area? Sentence13: I would also like to eat somewhere cheap in the middle of town. Sentence14: Not really. Could you suggest one with free parking? Question: Who has spoken the sentence 7? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: The price for the TR2514 is 7.84 pounds per ticket. Would you like to book a seat? Sentence2: I have train TR2514 that departs at 10:11 and arrives by 10:58. Would that be something that would work for you? Sentence3: What day would you be traveling and where are you going to? Sentence4: No, that is all I needed, thank you for your help! Goodbye. Sentence5: I'll be going to Cambridge on the same day as my stop at Travellers Rest. Sentence6: There are 9 expensive restaurants in the west. There are British, European, Indian, and Thai food to choose from. Which would you prefer? Sentence7: Please book for 1 person at 16:30 Sentence8: Yes, that would be great. What is the price for that? Sentence9: I'm looking for an expensive restaurant in the west. Sentence10: You're welcome. It has been a pleasure helping you today. Have a great trip! Sentence11: At what time on Saturday would you like a table reserved? Sentence12: I also need a train departing from Kings Lynn arriving by 11:15. Sentence13: I would love something that has British food. Sentence14: It has been booked, your reference number is Q1IQNSL8 Sentence15: I think I'll try Travellers Rest. Could you book me a table there for Saturday? Sentence16: You should try either Graffiti or Travellers Rest then. Would you like more information about these? Question: Who has spoken the sentence 11? (A) User (B) System

Ex Output:

Answer: (B) System