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: Booking was successful, the total fee is 450.6 GBP payable at the station . Reference number is : G368B2VI . Can I help with anything else today? Sentence2: I would like to stay in the centre of town please. Sentence3: TR0254 Leaves at 05:40, would you like me to book that for you? Sentence4: I will be departing from Birmingham New Street on Tuesday. Sentence5: The price is 75.10 pounds and it is a 163 minutes ride. Can I help you with anything else? Sentence6: Please book 6 tickets and send me the reference number. Sentence7: No thank you. Please tell me about the ticket pricing and time of travel Sentence8: Okay, the postcode is cb11ly. What else can I help with? Sentence9: No, not yet. I just need the postcode. Sentence10: Thanks for using Cambridge TownInfo centre. Have a great day! Sentence11: I'm looking for a train that goes to Cambridge and arrives by 08:45. Sentence12: The Gonville Hotel will meet all of your needs. Would you like me to book it? Sentence13: I found two expensive hotels, one in the centre and one in the south of town. Do you have a preference? Sentence14: Again, 3 star with free wifi. I don't care about the price. It has to be in the centre, though. Sentence15: That is all, thank you for your help today. Sentence16: Yes please. I need a 3 star hotel that offers free wifi Sentence17: I found 231 trains that fit your request. Where will you be departing from? Sentence18: What price range and what star rating are you looking for ? Question: Who has spoken the sentence 3? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Tuesday please at 18:15 for 6 people. Sentence2: Your booking at the Gonville Hotel was successful. The reference number is FHD472H3 . Can I help with anything else today? Sentence3: We have an expensive hotel called gonville hotel with free internet and parking. Would you be interested in booking a room here? Sentence4: Thanks, you have been very helpful. That is all I needed. Bye. Sentence5: I 'd like to find a hotel in the same area, one with three stars. Sentence6: What sort of dining does Cambridge offer in the centre, in the moderate price range? Sentence7: Yes it has free wifi and free parking. Sentence8: There are 21 different choices. What kind of food are you looking for? Sentence9: Your table at Ali Baba is booked, reference #NYH3ZPQN . Is there anything else I can help you with today? Sentence10: That sounds perfect. Can you book a reservation for 5 nights starting on Tuesday for 6 people? Sentence11: That will work can you make a reservation and send me the reference number please? Sentence12: I would like some christmas food. Sentence13: How about somewhere with Lebanese food? Sentence14: Thank you for using Cambridge TownInfo. Have a great day! Sentence15: Does it have free wifi? Sentence16: I'm sorry. I could not find a restaurant that meets that criteria. Would you like to try something else? Sentence17: of course, what day shall i make the reservation for? Sentence18: Yes, there is a moderately priced Lebanese restaraunt in the centre named Ali Baba. How does that sound? Question: Who has spoken the sentence 9? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: The address is Trinity Lane postcode cb21tt. No entry fee! Anything else I can help you with? Sentence2: Can you book me a table for Wednesday at 17:30 for a party of 5? Sentence3: Could you please check for architecture? Sentence4: I am also wanting to reserve a table at a place called Cote. Can you help me with that? Sentence5: Booking for 16:30 is set, the reference number is NDSJBN3W, may I assist with anything else? Sentence6: I need a place to go in the centre for entertainment. Sentence7: Yes. how about for 16:30? Sentence8: Sure. When would like the reservation for and how many people will be in your party? Sentence9: I would like to visit an old school. What is your recommendation? Sentence10: You're welcome! Have a great day! Sentence11: I recommend a place called "Old Schools" It is known for it's architecture. Located in the Centre on Trinity Lane. Does that work? Sentence12: I will also need a taxi to from Old Schools to Cote. I need to make sure they arrive soon enough for me to make it to dinner on time. Sentence13: Great that's all I needed today, thank you! Sentence14: I was able to book that taxi for you. Be looking for a black Tesla. If you need to contact them, their phone number is 07900626607. Anything more I can do? Sentence15: It looks like they are already booked for that time slot. Do you have another time you could go? Sentence16: Yes, I just need the address and postal code. Also, what is the entrance fee? Sentence17: There are no attractions under the entertainment classification in Centre. Would you like to try another attraction type or area perhaps? Sentence18: I could recommend some church's and old schools to visit, would that be ok? Question: Who has spoken the sentence 12? (A) User (B) System

SOLUTION:
Answer: (A) User