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

[EX Q]: Sentence1: Would you prefer Indian food or Italian food? Sentence2: Curry Prince is a moderately priced restaurant in the east part of town that serves Indian food. Would you like the phone number? Sentence3: I want a moderately priced restaurant in the east part of town. What is the phone number? Sentence4: You're welcome, goodbye. Sentence5: Awesome, thank you! Goodbye! Sentence6: The phone number for Curry Prince is 01223 566388. Sentence7: I don't care. Give me their phone number. Sentence8: Yes give me the phone number. Question: Who has spoken the sentence 7? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: The TR3370 will take you to norwich. Do you need a ticket? Sentence2: Well I have many things to do such as architecture visits or museums or theaters. Anything sound intriguing to you? Sentence3: There are 13 to choose from. Might I suggest the Pembroke College. They have free entrance and are located on Trumpington Street. Sentence4: The number is 01223338100. Sentence5: cool, thanks dude Sentence6: The post code is cb21rf. Can I help with anything else today? Sentence7: I need a train to norwich on Sunday. Sentence8: Yes I would like to go to a college. Sentence9: Thank you! That will be all for today! Sentence10: Do you want tickets? Sentence11: yes if it leave after 19:30. thanks Sentence12: No, I don't need to book now. On the other hand, I'm looking for something to do in the centre of city. Sentence13: I am sorry that os not leaving at the correct time but I have train TR9083 leaving at 19:55. Sentence14: Can I have the postcode? Sentence15: You're welcome. Please reach out to us again, if we can be of further assistance. Good-bye. Sentence16: Yes, can I also get the phone number for Pembroke College? Question: Who has spoken the sentence 13? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: Your reservation for 1 person on the TR7928 train was successful. Your Reference number is : KI1ILFP7 . Is there anything else I can help you with today? Sentence2: I can. The phone number is 01223355397. The postcode is cb23nz. Would you like more information? Sentence3: thanks too and goodbye Sentence4: That is the arrival time and total travel time for TR7928. Sentence5: it arrives at 12:07 and only a 38 minute ride Sentence6: What attractions can you recommend in the centre? Sentence7: The first train out after 09:30 is TR7928, leaving at 11:29. Sentence8: I need some quick information on trains from cambridge to bishops stortford. What can you tell me? Sentence9: That will work perfect can you book that for me please? Sentence10: No, that is all. Thank you. Sentence11: enjoy your stay Sentence12: Just myself. Please book me that train please. Sentence13: How many people will be travelling? Sentence14: We have lovely architecture. All saints church and holy trinity are quite nice Sentence15: thank you and welcome to Cambridge Sentence16: I love architecture. Can you please provide the phone number and postcode for Holy Trinity? Sentence17: I will need to go on Monday but I can't leave until after 09:30. Sentence18: Trains go from Cambridge to Bishops Stortford every 2 hours at 29 past the hour. What day will you be traveling, and at what time of day? Question: Who has spoken the sentence 16? (A) User (B) System
[EX A]:
Answer: (A) User