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: El Shaddai is a guesthouse. Anything other questions about them? Sentence2: Yes, they have free parking. Would you like me to book you a room? Sentence3: Whoa whoa, easy there tiger, Lets narrow the search down first. In the center, 0 stars, cheap and it can be a hotel or guesthouse. Sentence4: Yes I need a chinese restaurant. Sentence5: ok for how many people and when are you planning your stay? Sentence6: I am looking for a restaurant that sell seafood,will prefer one in the center of the city. Sentence7: ok what location? Sentence8: Do they have parking? Sentence9: Yes, I'd like to travel on Wednesday. I'll need to arrive by 8:00. Sentence10: It should be in the same area? Sentence11: I would like a train into Cambridge from Stevenage. Sentence12: Is El Shaddai a guest house or hotel? Sentence13: OK. Is there anything else I can help you with today? Sentence14: No. That's everything I needed and then some, actually! Thanks, take care! Sentence15: Okay, is there anything else I can help you with? Sentence16: No, I don't need a chinese restaurant after all. Thanks for looking. Sentence17: All set. You are booked for 7 people on TR9448. You reference number is B1Q6DDTE . Can I help with anything else? Sentence18: i only have one option can i book it for you? Sentence19: No, I don't need to. I was just curious about it. Thank you for all of your help. Sentence20: The TR9448 arrives at 06:43. Would you like me to book a ticket for you? Sentence21: Yes, I need a hotel as well. Sentence22: Is there a specific day and time you would like to travel at? Sentence23: I'm sorry, there seems to be an error. Can you please restate your request? Sentence24: How about el shaddai? Fits your request perfectly. Sentence25: Thank you for calling. Have a great day! Sentence26: Yes, please book 7 seats. Question: Who has spoken the sentence 9? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Please check again for a college in any area. Sentence2: Hmm, I think we are getting confused on what I need. I really need to find a hotel with 4 stars in the east. Or a guesthouse will do also. Sentence3: I'm sorry, we do not have any college listings. Sentence4: I think allenbell would suit you well. Would you like more information? Sentence5: Gonville and Caius college is quite interesting. Their post code is cb21ta. Their address is trinity street. Sentence6: Thanks, I will need a taxi from the guesthouse to the attraction. I'd like to leave the guesthouse by 24:30. Sentence7: Could I get the postcode, phone number and whether they have free parking? Sentence8: There are 4 museums in the east. Any preferences? Sentence9: There's Christ's College on Saint Andrew's Street. It's in the centre and free. Are you interested? Sentence10: Yes. Can I get the postcode? Sentence11: The Allenbell's postcode is cb13js. Their phone number is 01223210353 and yes they do have free parking. Would you like to book this one? Sentence12: The centre is fine and free would be great! Sentence13: there are no colleges in the east, can i look somewhere else? Sentence14: A majority of our colleges are in the centre, but not all of them have free admission, are you looking for one with no entrance fee? Sentence15: Thanks. I also need an attraction to visit in the college category. Any suggestions? Sentence16: Yes I would like to go to a college regardless of the area. Sentence17: Thank you very much. Sentence18: I need a place to stay. I would like a 4 star place in the east area. Sentence19: Yes, I'd like a place that includes free wifi and it should be a hotel. Sentence20: In the west I have two 4-star hotels - the cheap Cambridge Belfry and the expensive Huntingdon Marriott. Sentence21: No, it would not. What do you have in the west area? Sentence22: Okay, what about Museums in the east? Sentence23: I'm afraid all of our 4-star accommodations in the east are guesthouses. Would one of those suit you? Sentence24: Okay great, have a good night! Sentence25: Alright, got you a grey Toyota taxi to pick you up from the Allenbell at 24:30. Contact number is 07330473463. Anything else I can do for you? Sentence26: Sure we have 6 places, do you have any other preferences? Question: Who has spoken the sentence 5? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: I have train TR7556 arriving at 18:08,is that okay? Sentence2: The restaurant should serve italian food and should be in the south. The restaurant should be in the expensive price range Sentence3: Absolutely! What type of cuisine are you interested in trying? Sentence4: Booking was successful. The table will be reserved for 15 minutes. Reference number is : UA39MMKX . You're all set. Is there anything else I can do for you? Sentence5: I will need that for eight people. Sentence6: No, thanks that's all goodbye Sentence7: Frankie and Bennys fits your criteria, shall I book you a table? Sentence8: Yes please, for the same group of people on the same day at 21:00. Sentence9: Great your booking was successful and your reference number is TESIIRJ1 . Sentence10: Thanks can you also help me find some food? Sentence11: I want to leave London Kings Cross on Monday and arrive by 18:15. Sentence12: There are many trains going to cambridge today. Where are you leaving from and what time do you want to depart or arrive? Sentence13: I need help booking a train to cambridge today. Sentence14: Thank you for calling and enjoy your dinner. Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION:
Answer: (A) User