Definition: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Positive Example 1 -
Input: Sentence1:i need a place to dine in the center thats expensive Sentence2: I have several options for you; do you prefer African, Asian, or British food? Sentence3: Any sort of food would be fine, as long as it is a bit expensive. Could I get the phone number for your recommendation?Question: Who has spoken the sentence 2? (A) User (B) System
Output: Answer: (A) User

Positive Example 2 -
Input: Sentence1: Guten Tag, I am staying overnight in Cambridge and need a place to sleep. I need free parking and internet. Sentence2: I have 4 different options for you. I have two cheaper guesthouses and two expensive hotels. Do you have a preference? Sentence3: No, but I'd really like to be on the south end of the city. Do any of those fit the bill? Sentence4: Sure. Does price matter? We can narrow it down and find exactly what you need. Question: Who has spoken the sentence 4? (A) User (B) System
Output: Answer: (B) System

Negative Example 1 -
Input: Sentence1: I am looking for a hotel named alyesbray lodge guest house. Sentence2: i have their info, what would you like to know? Sentence3: I would like to book a reservation for it. Can you help me with that? Sentence4: I sure can. First, I will need to know when you want your stay to begin and how many days you'll be staying. Also, how many people will be staying? Question: Who has spoken the sentence 1? (A) User (B) System
Output: Answer: (A) User

Negative Example 2 -
Input: Sentence1: Hi there! Can you give me some info on Cityroomz?. Sentence2: Cityroomz is located at Sleeperz Hotel, Station Road in the Centre area. It is a moderatley priced hotel with a 0 star rating. Would you like to book a room? Sentence3: Yes please. I need it for 7 people for 3 nights starting on tuesday. Sentence4: How many days would you like to book it for? Question: Who has spoken the sentence 4? (A) User (B) System
Output: Answer: (A) User

Now complete the following example -
Input: Sentence1: Can you help me find a place to eat called sala thong? Sentence2: The train is TR0032, it departs at 10:09 and travel time is 105 minutes. How many tickets do you need? Sentence3: I'm sorry, there's nothing available at that time. Could you perhaps do a different time? Sentence4: As for now, just one please. Sentence5: That's everything. Thanks! Sentence6: Please make a booking for people at 19:00 on monday. I also need a reference number once booked. Sentence7: Well, I'm also looking for train on Monday departing from Leicester to Cambridge arriving by 12:45. Sentence8: Booking was successful, the total fee is 37.79 GBP payable at the station. Reference number is : 3KP0ATIS . Anything else I can help you with? Sentence9: I have a train that arrives at 11:54. Would you like me to book that for you? Sentence10: That was unsuccessful as well, do you have another time? Sentence11: Absolutely! They are a great thai restaurant in the west of town. They are located at 35 Newnham Road, Newnham. Did you need help reserving a table or any other info? Sentence12: Sure, try a time that would work. Maybe 20:00? Sentence13: My pleasure. Please call again if there is anything we can do to help. Sentence14: Yes I also need the train id, departure time and travel time. Question: Who has spoken the sentence 11? (A) User (B) System
Output: 


Answer: (B) System