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: Great can I also get a train going to leicester and arriving by 11:45? Sentence2: Do you just need the one ticket, or will others be travelling with you? Sentence3: I'm looking for a gastropub in the east. Sentence4: TR5677 will arrive at 11:06 would that work for you? Sentence5: Ok great. Would you like for me to go ahead and book the train for you? Sentence6: 105 minutes. 30.24 pounds. Sentence7: Cambridge, and I will be traveling on Saturday. Sentence8: Can you give me the travel time and total cost please? Sentence9: Could you get me the price of that train and the travel time before you book it? Sentence10: No just the one. Thank you. Sentence11: I have TR5677 arriving at Leicester by 11:06. Sentence12: Your booking was successful, the total fee is 30.24 GBP payable at the station . Reference number is : LV1BEG9R . Sentence13: I am glad I was able to help. Have a wonderful trip. Sentence14: Could you please provide the phone number, address and postcode for The Royal Standard? Sentence15: ok thank you so mucy Sentence16: Yes, please book the train for me. That will be all. Sentence17: The Royal Standard is a gastropub located in the east. Sentence18: Where will you be departing from and what day would you like to travel? Sentence19: Phone Number: 01223247877. Post Code: cb13nl, address 290 Mill Road City Centre. Anything else? Sentence20: Thank you so much! That's all I need. Question: Who has spoken the sentence 4? (A) User (B) System
Output: 


Answer: (A) User