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: I need a train. Sentence2: I have five hotels that match your requests. Sentence3: Okay, and where are you traveling to? Sentence4: I have 13 hotels in the north. What type of hotel did you want? Sentence5: Hey, I'd like to find a hotel in the north, today. Sentence6: Ok can you book that for me and get me a confirmation number Sentence7: I'm going to need more information than that. Where will you be departing from, and what is your destination? And do you have a date and time in mind? Sentence8: Okay. I would like to recommend the Acorn Guest House. Sentence9: Can I help you with anything else? Sentence10: There are a number of trains that leave after 15:45. The one closest to the time is TR1911 leaving at 16:11. What day would you like to travel? Sentence11: I want one with moderate prices that has free wifi. Sentence12: I made the booking for you. Your confirmation number is DN8DIW5T . What else can I do for you? Sentence13: Your 1 ticket booking on the TR1911 train was successful, the total fee is 9.8 GBP payable at the station. Your Reference number is : O8BN9KXH . Sentence14: You have all the information you need. Sentence15: Do they include wifi? Sentence16: i'm traveling to kings lynn and need to leave after 15:45 Sentence17: I'll need the to take the train on Tuesday. I'll need it for the same number of people as my hotel reservation. Sentence18: Thank you for contacting us and have a nice day. Sentence19: i will be leaving from cambridge after 15:45 Sentence20: Is there anything else I can help you with today? Sentence21: May i please have your details (Name, ID, Phone number, email) so i can go ahead and make the booking for you? Sentence22: That will be all. Thank you for your help. Sentence23: I am open to any hotel that matches my requests. I need it booked for 1 person, 3 nights starting thursday Sentence24: Yes all of them do. May I recommend something to you? Question: Who has spoken the sentence 23? (A) User (B) System
Output: 


Answer: (B) System