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

Ex Input:
Sentence1: That train departs at 05:29. Sentence2: It appears that the Curry Garden meets your needs! Would you like me to book that for you? Sentence3: There are many options for expensive dining. Sentence4: Yes, please make reservations for 5 people at 16:45 on Monday. Sentence5: Booking was successful. The table will be reserved for 15 minutes. Reference number is : J8918H0X . anything else i can help you with? Sentence6: What day will you travel? Sentence7: Thank you for contacting us and have a nice day. Sentence8: I would like to arrive by 11:00. Could you give me the departure time and train ID? Sentence9: Thank you. That is all that I need. Sentence10: Thanks. I also need a train from Bishops Stortford to Cambridge. Sentence11: Not really, as long as it is open on Monday and has room for 5 people. Sentence12: Is there a departure time? Sentence13: There are a number of expensive Indian options. Is there a specific part of town you were looking for? Sentence14: I will be traveling on Monday. Sentence15: I need a place to eat that is expensive. Sentence16: OKay, is there a certain time you need to leave? Sentence17: Specifically, I would like an Indian restaurant. Sentence18: I can suggest the TR4448 arriving by 06:07. Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: That should do. I am also looking for a place to dine. The restaurant should serve Chinese food and should be in the expensive price range Sentence2: Can you help me find an interesting place to visit on the east side of town? Sentence3: Sure do, know of any interesting ones on the east side? Sentence4: Yes, I would like it to be in the east. Sentence5: That is all, thank you! Sentence6: cb13ef. Anything else? Sentence7: I can. Do you like museums? Sentence8: The Yu Garden has fabulous food. Can I book a table there for you? Sentence9: I have many choices. Do you have an area preference? Sentence10: I'm sorry, could I get the postcode to Cambridge Artworks? Sentence11: I'm sorry I have to go now! Bye! Sentence12: Absolutely. You can reach Yu Garden at 01223248882. Is there anything else I can help with today? Sentence13: I also need to get the phone number for the restaurant. Sentence14: Okay great. Glad I could be of help. Sentence15: We have the Cambridge Artworks, the Cambridge Museum of Technology, and several galleries. Sentence16: Thanks for contacting the Cambridge TownInfo Centre and have a great day! Question: Who has spoken the sentence 15? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Is there anything else I can help you with? Sentence2: Yes, I also need a train to Cambridge from Ely. Sentence3: Train TR1549 departs at 17:50 and arrives in Ely at 18:07. Sentence4: I've heard good things about the Acorn guest house. Could you find it for me? Sentence5: Excellent, that's all the information I need right now. Thank you! Sentence6: Have a great day. Sentence7: Wednesday and needs to arrive by 18:15 that day. Sentence8: The Acorn Guest House is a 4 star guesthouse in the north with free Wifi and parking. The address is 154 Chesterton Road and the phone number is 01223353888. Sentence9: There are 7 trains, TR1549 arrives at 18:07 if you'd like to book that just let me know. Sentence10: Thank you very much! Sentence11: I don't need to book right now. What time does this train depart from Ely? Sentence12: Sure what day will you be traveling? Question: Who has spoken the sentence 9? (A) User (B) System

Ex Output:

Answer: (B) System