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: Could you tell me more about it? What is its price range? Where is it located in the south? Sentence2: I'm sorry that date and time slot is already full. Would you like to try a different date/time? Sentence3: It is expensive and the address is 15-17 norman way, coldhams business park Sentence4: what about 4:30 on tuesday? Sentence5: There is one Mexican restaurant in the south. The Chiquito Restaurant Bar. Would you like me to book it for you? Sentence6: Thank you, that is all I need today. Sentence7: I am trying to find a restaurant in the south of the city that serves modern American food. Sentence8: I was able to book a table for 1 at 16:30. Your reference number is P62404I5 . Sentence9: I didn't find any modern American restaurants in the south end. Are you open to other areas? Sentence10: Sounds delicious, could you book a table for 1 at 17:30 on Tuesday? Sentence11: You are welcome. Goodbye. Sentence12: What about a restaurant there that serves mexican food? Sentence13: It is in the expensive price range and is located at 2G Cambridge Leisure Park Cherry Hinton Road Cherry Hinton cb17dy Sentence14: Great! Can you also tell me the address and price range for the Express by Holiday Inn Cambridge? Question: Who has spoken the sentence 4? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: I don't have anything matching your request, would you like to change your hotel location or star rating? Sentence2: Hi. Could you help me with finding a hotel? Sentence3: No, thanks. That's all. Have a blessed day. Goodbye. Sentence4: Okay that was comleted successfully and your reference number is E5BQH7U1 . Sentence5: How about a 4 star hotel with free parking? Sentence6: I need a hotel for 4 people and 4 nights starting from thursday Sentence7: Great thanks. I need a taxi from Gonville Hotell to Cherry Hinton Hall and Grounds at 13:15. Sentence8: There are actually no lodgings of any kind in the east part of town listed. Would you like to try another area. The centre is very popular? Sentence9: Your taxi was booked successfully. You will be picked up in a black Tesla by 13:15 at the Gonville Hotel and dropped off at Cherry Hinton Hall and Grounds. Sentence10: This is really frustrating. Can you find me any 3 or 4 star hotels anywhere ? Sentence11: Great. Do you have a contact number? Sentence12: I'm still not finding anything. Would you like a different area? Sentence13: Thank you for using the Cambridge TownInfo centre. Goodbye. Sentence14: Absolutely! It is an entertainment attraction in the east. Phone is 01223446104. Postcode is cb18dw. And address is cherry hinton road. There is no entrance fee information listed. Sentence15: book for 4 people 4 nights from thursday Sentence16: Absolutely, do you have any other requirements? Sentence17: Could you double check for a 3 or 4 star hotel on the east side with free parking? Sentence18: Oh wow. I really need to find something. Would you mind looking again? 4 Star rated in the east with free parking. I would really appreciate it. Sentence19: Sorry. There are no matches. Is there anything else I can do for you today? Sentence20: That was a mistake. There are lots of 4 star hotels here. What is your price range? Sentence21: I am sorry but there are no 4 star hotels in the east in the expensive range. Would you like to try another price range, area, or star rating? Sentence22: Leverton House is a 4 star guesthouse in the east part of town in the cheap price range with both internet and parking included. Is there anything else today? Sentence23: Let's go expensive. I need to book it for 4 people for 4 nights on Thursday. Sentence24: I'm sorry but I have a hard time believing there is no place to stay in the east with either a 3 or 4 star rating. Sentence25: A 3 star hotel on the east side would be preferable. Sentence26: Their contact number is 07167487501. Is there anything else I can assist you with today? Sentence27: Since you say there are no 3 or 4 star hotels in the east, I will settle for the centre of town. Sentence28: I'm sorry there are no matches. Sentence29: Can you please provide me with information on the attraction cherry hinton hall and grounds? Sentence30: Gonville Hotel is a great hotel located in the centre. It's 3 stars and is in the expensive price range. Would you like me to book you a room? Question: Who has spoken the sentence 10? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: What is the total travel time? And can I also get the departure time and a price please Sentence2: Can you book a table for 1 at 17:00 on Saturday there for me? Sentence3: Sure! I've booked it for Saturday at 17:00 for 1 person. Reference number is 57BVL3K7 . Sentence4: How much does this ticket cost? Thanks for your help! Sentence5: have a nice day. bye Sentence6: TR6210 arrives in Cambridge at 12:54 on Saturday. Would you like a ticket on that train? Sentence7: Please help me find a restaurant called Frankie and Bennys. Thanks. Sentence8: That train leaves at 11:09 and last a total of 105 minutes of travel. Sentence9: It is located at Cambridge Leisure Park Clifton Way Cherry Hinton Sentence10: It is 30.24 pounds. Sentence11: Yes. I'm coming in from leicester. Sentence12: Will you be traveling on Saturday? Sentence13: Thanks, I also need a train going to cambridge, arriving at 13:00, please. Sentence14: No thank you that will be all Question: Who has spoken the sentence 4? (A) User (B) System

SOLUTION:
Answer: (A) User