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: that is great! thank you for all your help. Sentence2: I need help finding an expensive restaurant in the centre, can you help me please? Sentence3: Thank you for calling and have a great day. Sentence4: I have found the backstreet bistro and the slug and lettuce, which one would you like more information on? Sentence5: Yes both are in the expensive price range Sentence6: I'd love to help. We have 33 expensive restaurants. Do you have a cuisine you'd prefer? Sentence7: Do anything of them serve gastropub food? Sentence8: I want to book a table for 4 people at 16:15 on a Tuesday please. Sentence9: Can I have the munber in your party and the day and time you would like to book? Sentence10: Great! Here is the address, 34 - 35 Green Street. Sentence11: Okay I was able to book you then at The Slug and Lettuce and your reference number is FSOF58OO . Sentence12: Yes, I'm looking for gastropub food. Sentence13: Thank you so much. That is all I need. Sentence14: Any one will be fine. I need the reference number please after its booked. Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: I just need to find a train that leaves at 19:30 for 5 people Sentence2: Is there another day you would like me to check? Sentence3: Hi, I'm looking for any information that you have on the Lensfield hotel in Cambridge. Sentence4: Nope that should be it thanks. Sentence5: I only have trains that leave at 20:24 and later on a Friday from Stansted airport. Will this time and day work for you? Sentence6: Alright, I booked 5 tickets for Saturday train your reference number is 1R61PO9r . You can pay for your tickets at the station. Is there anything else? Sentence7: Unfortunately, no trains leave at that time Sentence8: Unfortunately there are no trains that leave at this time. Sentence9: I'm staying for 2 days and it's just myself. What train can I take to depart from the stansted airport that leaves at 19:30? Sentence10: What are the other 4 times of departure for Saturday. I'll need bookings for 5 people and a reference number. Sentence11: Glad to be of service. Have a wonderful day! Sentence12: The Lensfield Hotel is an expensive, 3-star hotel in the south of town, with internet and parking. Would you like me to book it for you? Sentence13: Sure, the phone number is 01223355017. How many days will you be staying, what day do you need to arrive, and how many people will be staying? Sentence14: There are only 4 trains that leave on Saturday Sentence15: I'm actually looking for something on Saturday. Are there any trains on Saturday that leave at 19:30? Sentence16: Yes, please. Can you also give me the phone number? Question: Who has spoken the sentence 1? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Can I book a table for 6 people at 15:45 on Tuesday? Sentence2: Can you try another restaurant? Sentence3: Let's try the other restaurant. Sentence4: Okay, we have the cambridge university botanic gardens in the centre of town. Will that work for you? Sentence5: I want to make sure I can get from the park to the restaurant in time. Sentence6: I'm sorry neither restaurant has an available table would you like to try another day or time? Sentence7: I am looking for a restaurant in the expensive price range that serves thai food. Sentence8: I also need a taxi to go from Sala Thong to the Gardens. Sentence9: Sure, they're in postcode cb21jf. Is there anything else I can help you with today? Sentence10: There is sala thong and bangkok city. Sentence11: Have a great day! Sentence12: I was able to book you a table at Sala Thong on Tuesday at 15:45 for 6 people. Your reference number is EPNSY28V . Anything else I can help with? Sentence13: Thank you! That will be all. Sentence14: Yes, that will work great. Can I get their postcode please? Sentence15: Okay i have you booked for a yellow volvo. The contact number is 07033533386 . Sentence16: I would like to go to a park in the centre of town. What would you recommend? Sentence17: There are no reservations at that time. Would you like to try another time slot or another restaurant? Sentence18: What time do you want the Taxi to meet you? Question: Who has spoken the sentence 1? (A) User (B) System

SOLUTION:
Answer: (B) System