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: thanks i want to get its entry fee and address Sentence2: You're welcome, let me know if I can assist with anything else. Sentence3: It is a nightclub in centre at 1 wheeler street. Phone is 01223842725. Do you need any more information? Sentence4: Yes, there is a 5 pound entrance fee for the club. Sentence5: I would like an expensive 3-star hotel. Sentence6: The address was just given to you and the phone is 01223842725. Sentence7: The Lensfield Hotel does have free parking. I can assist you with that reservation. Sentence8: Hi! I'm looking for an attraction named Kambar. Sentence9: Thank you so much. I appreciate your help with this. Sentence10: I am also interested in a place to stay, that includes free parking. Sentence11: That is all, thank you for all your help. Sentence12: Just to confirm, does the Lensfield have free parking? If so I'd like to book for 6 people, 3 nights, starting on thursday. Sentence13: in my opinion, the lensfield is much more updated than the gonville. do you need me to book a room? Sentence14: Do you have an area or price range in mind? Sentence15: What do you recommend? Sentence16: Yes, can you please book a room with the details I already provided. Sentence17: Gonville hotel is in the centre, the lensfield is in the south, any preferences? Sentence18: Your room has been booked. Your reference number is CAFW873C . Sentence19: Is there a entrance fee? Sentence20: No problem. Is there anything else I can help you with today? Question: Who has spoken the sentence 7? (A) User (B) System
Output: 


Answer: (B) System