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: Yes, please book this. Sentence2: I found 4 restaurants, would you like to try Cotto? Sentence3: Thank you, can I also get a train leaving petterborough and arriving by 11:15 Sentence4: That's all I need, Thank You. Sentence5: Sure, can you try to get a table for 8 people at 17:00 on Tuesday? Sentence6: Okay... how about British food? Sentence7: Booking was successful. The table will be reserved for 15 minutes. Reference number is : IAUXALYD . Sentence8: I just need to make sure I arrive in cambridge by 11:15 please. Sentence9: I would like to try Jamaican food. Sentence10: Unfortunately I can't find any Jamaican restaurants. Is there another type of food you'd like to try? Sentence11: Absolutely. How many tickets would you like to be booked? Sentence12: There are 21 different restaurants in that area matching your price range. What kind of food are you in the mood for? Sentence13: I'm looking for a moderately priced restaurant in the center of town. Sentence14: Sure thing! The reference number is S4FM08GE . See you! Sentence15: There is a train that leaves at 10:19 and arrives at 11:09. Would you like to book it? Sentence16: there are eleven trains that match that criteria. What time would you like your departure time to be? Sentence17: Yes, Tuesday, the same day as the restaurant booking, can I please get a departure time as well? Sentence18: Before going further I would just like to confirm you'd be leaving on Tuesday, is that correct? Question: Who has spoken the sentence 16? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: I would prefer the north please. Sentence2: I have found 13 of them. Can you please be more specific about what you would like? Sentence3: I'd like to find a college to visit in the center of town. Sentence4: No thank you that will be all Sentence5: I would suggest the acorn guest house it is a great place to stay. Sentence6: That will be fine. I'll need to book for Saturday, 3 nights, and 1 person. Sentence7: You're all set! Your reference number is 41BK9PC7 . Sentence8: moderate price range thank you Sentence9: There are 32 hotels that offer free internet, is there a price range or area you prefer? Sentence10: Actually one more thin, I need a taxi from the hotel to the restaurant, I want to leave at 09:45. Sentence11: Thank you! Can you also help me find a place to stay with free wifi? Sentence12: I narrowed it down to 17. What part of town would you prefer and do you want free parking? Sentence13: No that will be it for today. Sentence14: I recommend Emmanuel college. Their address is saint andrew's street Sentence15: Okay, I booked a yellow honda and their contact number is 07225232221. Do you need help with anything else? Sentence16: You can choose one for me and give me the address. Question: Who has spoken the sentence 7? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: I do not have anything that meets that criteria. Sentence2: Any are would be fine. Can you just check if you have anything that's 5 star rated? Sentence3: There are many, would you be departing on Sunday? Sentence4: I can help with that. What area would you like to stay in? Sentence5: I recommend El Shaddai. Can I get you information on it? Sentence6: I have two with a 0 star rating, one in the north and one in the centre. Do you have a preference? Sentence7: Is there anything else I can assist you with today? Sentence8: You are booked with reference number 9N3UAJNA . Anything else I can help with? Sentence9: Okay. Thank you for al your help. Sentence10: I would need an area to narrow the search for you. Sentence11: I don't care. I want a 5 star rating though. Sentence12: No, it doesn't matter. Thank you. Sentence13: Your tickets have been booked. Your reference number is 7LBIW6SB . Sentence14: Please help me find a guesthouse to stay in that has free wifi. Sentence15: I am all set. Sentence16: You'll be leaving Cambridge at 11:59 on Friday, for a travel time of 88 minutes. Sentence17: book it for 4 people and 5 nights starting from sunday. Sentence18: How about one that is a 0 star? Sentence19: Have a nice day. Sentence20: Thank you and please inform of the travel time and departure time. Sentence21: 4 people leaving Cambridge and going to London Liverpool Street on Friday, departing after 11:00. Please give me the travel and arrival time as well as the price. Sentence22: Thanks. I also need a train departing from Cambridge after 11:00. Question: Who has spoken the sentence 7? (A) User (B) System

SOLUTION:
Answer: (B) System