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'm looking to have a little fun at a nightclub. Sentence2: Thanks! I would also like a taxi between the two places. Sentence3: How about 11:30? Sentence4: The entrance fee of The Fez Club is free. Sentence5: I was able to book that taxi for you. Be looking for a yellow Honda. If you need to reach them, please call 07598905692. Anything else I can help with? Sentence6: Fez Club is good need postcode and phone number for it,also I want to go to expensive Chinese restaurant. Sentence7: I have about 17 different chinese restaurants. To narrow it down, do you have a preferred price range? Sentence8: One of the best things about cambridge is all of our attractions! Did you have an area in mind or an attraction type so I can narrow my search? Sentence9: It doesn't matter what area it's in and I'll be needing a table for monday. Sentence10: That would be perfect can I get a reservation for 12:30 on Monday for 3 people? Sentence11: Yes, expensive please. Sentence12: no, thank you very much Sentence13: The fez club is located in the center 8 market passage cb23hx, phone number 01223519224. Now, I am searching for the expensive Chinese restaurant. Sentence14: I am visiting Cambridge soon and am looking for someplace to go to while there, can you look up attractions for me? Sentence15: Booking was successful. The table will be reserved for 15 minutes. Reference number is : FSXM0KAQ . Sentence16: I am unable to make a reservation. Would you like to try a different time or date? Sentence17: Okay. I have 9 restaurants in the expensive range. Do you have a particular area you would like to be? Hakka is in the north and is very popular. Sentence18: You're very welcome. Have a great day. Question: Who has spoken the sentence 16? (A) User (B) System
Output: 


Answer: (A) User