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: I think you'd like TR8842 train, it costs 23.60 pounds. Sentence2: Thanks, it would be helpful if you also told me what time TR8842 leaves. Anyhow, I just got paid. Can you find me a high-end eatery serving European cuisine? Sentence3: No thank you. I'll just need the address for an expensive restaurant that serves European food. Sentence4: Train TR8842 leaves london kings cross at 15:17 on friday and arrives at cambridge at 16:08. Can I provide you more information or book it for you? Sentence5: Arrival time is not important. I just need to leave after 14:15. I will need the train ID and the price, please. Sentence6: Sorry! As I said, it's at Free School Lane City Centre. Can I help you with anything else? Sentence7: Hi, could you help me find a train going to Cambridge? Sentence8: Is there a time you would like to arrive by? Sentence9: Where and when are you departing from? Sentence10: I would like to leave on Friday Sentence11: No, that's it. Thank you. Sentence12: which side of town is most appropriate for you? Sentence13: Have a lovely day, goodbye. Sentence14: I am leaving from London Kings Cross after 14:15. Sentence15: I'm sorry, but I think you gave me the phone number. I need the address, please. Sentence16: I don't have a preference really, please recommend one. Sentence17: no. i just need the address Sentence18: What day would you like to leave? Sentence19: its address is 01223368786. is that it? Sentence20: How about the eraina located at Free School Lane City Centre. Would you like reservations? Question: Who has spoken the sentence 4? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: You are booked for a red lexus with the contact number 07866626052. Sentence2: I'm going to loch fyne. Sentence3: Thank you. I am now finished. Sentence4: Sure! when would you like to arrive? Sentence5: Great! And what is your destination? Sentence6: I would like to arrive by 01:15. Sentence7: I'm glad we could help. Have a good day. Sentence8: Please help me reserve a taxi from saint catharine's college Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Okay, what day and what time would you like to leave? The ride is about 49 minutes and the train comes every two hours. Sentence2: Yes, please. I need 4 tickets. Sentence3: Yes. I need to find a train to travel from Stevenage to Cambridge. Sentence4: Actually, can I get the address and phone number please? Sentence5: Great! That was successful and your booking reference number is NXSAEV12 . Sentence6: No, just pick something. Sentence7: That should do it. thank you! Sentence8: The Cambridge Contemporary Art Museum is a good attraction that is free. Would you like the address or directions? Sentence9: What good attractions are there in the city centre? Sentence10: I need to leave Saturday and must arrive by 20:00. I don't care what time the train leaves as long as I arrive on time. Sentence11: Sure, it is located at 6 Trinity Street. The phone number is 01223324222. Can I help you further? Sentence12: Ok great! I hope that you enjoy your travels! Thank you for contacting the Cambridge TownInfo centre. Sentence13: I have train TR2442 leaving stevenage at 17:54 and arriving in cambridge at 18:43. Would you like to book this? Sentence14: There are over 40 of them, many of which are free; did you have anything more specific in mind? Question: Who has spoken the sentence 6? (A) User (B) System

SOLUTION:
Answer: (A) User