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 am trying to get to peterborough on Thursday please. Sentence2: Where will you be going and on what day? Sentence3: I was able to book that ticket for you. Your reference number is EMF3A2D0 . Is there anything else I can assist you with today? Sentence4: Yes can you get me the phone number and entrance fee of a museum? It can be located anywhere in Cambridge. Sentence5: I'm departing cambridge . Can you find a train that leaves after 08:15? Sentence6: I am trying to find a museum to go to while I am in Cambridge on holiday. Sentence7: I believe that is all, thank you Sentence8: I have the byard art museum in the south. The phone number is 01223464646 and it is free to enter. Can I help you with anything else today? Sentence9: Have a great day! Sentence10: There are 23 museums in the area of cambridge what area do you want? Sentence11: Yes thank you, I would like to book for one ticket. I would also like the reference number please. Sentence12: There are several museums in Cambridge. Is there a certain area you are hoping to visit? Sentence13: TR4863 leave at 08:34, would that work for you? Sentence14: I have no particular area in mind. Which do you recommend and can I get the entrance fee and phone number please? Question: Who has spoken the sentence 3? (A) User (B) System
Output: 


Answer: (B) System