TASK DEFINITION: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
PROBLEM: Sentence1: It's cb12bd. Anything else I can get you? Sentence2: How about something in the south and moderate price range? Sentence3: I'll take Rice House, what's the postcode? Sentence4: There are 3 cheap chinese restaurants in the centre of town: Charlie Chan, Rice House, or Golden House. Would you like me to book any of these? Sentence5: Sure let's try chinese food. Sentence6: I was not able to find any restaurants matching your requirements. Sentence7: I'm still not finding anything. Would you like me to search a different part of town or a different food type? Sentence8: You're welcome. Have a great day! Sentence9: That's all. Thank you. Sentence10: I am looking for a cheap gastropub restaurant in the centre of town Question: Who has spoken the sentence 6? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Ok. I was able to book the table for three. Your reference number is 0FOAJA8A . Sentence2: Okay thank you. What time would you like to leave? Sentence3: ok, thank you and enjoy your stay! Sentence4: I'm travelling from norwich. Sentence5: I need to catch a train to get to the restaurant. Can you help with that too? Sentence6: There are 21 restaurants matching your criteria. Is there a type of cuisine that interests you? Sentence7: TR4387 arrives at 07:35, would that work for you? Sentence8: Let's go with Pizza Express, can you book for 3 at 13:30 on thursday please. Sentence9: You'll have to tell me where you are departing from? Sentence10: I need to arrive by 8:00. Sentence11: There are 2 choices, pizza express serves Italian food with a moderate price range, or pizza express Fen Ditton also in the moderate price range. Which shall I reserve? Sentence12: which day do you want to travel? Sentence13: Possibly Italian if that's available for 3 people on Thursday at 13:30. Sentence14: Booking was successful, the total fee is 52.8 GBP payable at the station .Reference number is : 5K7P12XZ . Sentence15: Please list all restaurants in Cambridge centre in the moderate price range. Sentence16: Thank you so much, If you can please leave a review for us. I hope your trip is amazing and very enjoyable. Sentence17: Yeah could I get three tickets please? Sentence18: I want to get there thursday please. Question: Who has spoken the sentence 14? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Yes, I recommend the Funky Fun House. With a name like that, how can you go wrong? Sentence2: I want to go visit a college in the east part of town please. Sentence3: Alright, here you are, the address is 8 mercers row, mercers row industrial estate and the phone number is 01223304705. Can I find any other information for you? Sentence4: Sounds awesome! Is there an entrance fee? Sentence5: Sure, just the address and phone number will be fine. Sentence6: Thank You. Have a nice day, goodbye. Sentence7: I was unable to find any colleges in the east part of town. Sentence8: Unfortunately I don't have any information about the entrance fee. Is there any other information you need to know? Sentence9: Okay, what about an attraction that is in the type of entertainment? Sentence10: No, that is all I need. Thanks and bye. Question: Who has spoken the sentence 3? (A) User (B) System

SOLUTION:
Answer: (B) System