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: What part of town were you interested in? Sentence2: It doesn't matter what part of town, If you have one you would recommend and let me know the entrance fee, that would be great. Sentence3: I 'm looking for a theatre in town. Sentence4: What does "currently unavailable" mean? Sentence5: Can you tell me if there is a time you want to leave by or arrive by? Sentence6: There will be 8 of us traveling, by the way. Sentence7: No, thank you. That's all I need this morning. Sentence8: The Cambridge Arts Theatre is located in the centre area. However, the entrance fee is currently unavailable. Sentence9: Not Available means I am not able to see the price of the entrance fee. Unfortunately all the theatre's are hiding there fee's. Anything else I can do? Sentence10: train tr9327 leaves at 13:06 and gets you there by 13:56. I have booked you 8 tickets. Reference number is : ZKGGRI1B Anything else I can do? Sentence11: I also need a train going from Cambridge to Peterborough on Sunday. Sentence12: OKay I will work on looking this up for you. Sentence13: Have a nice day, goodbye. Sentence14: I need to leave on Sunday and arrvie by 14:16. Question: Who has spoken the sentence 6? (A) User (B) System
Output: 


Answer: (A) User