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: Actually, can I get their postcode and their entrance fee please? Sentence2: The Junction Theatre is also in the south. Would you like the address and phone number? Sentence3: What day and time would you like that table? Sentence4: I'm looking for a restaurant in the South, I'd like to have indian food. Sentence5: Need a place to go that is a theater near the restaurant. Sentence6: Actually, I don't need to book it. Can I get the address, postcode and phone number instead? And to make sure, this is a very expensive restaurant? Sentence7: i'm not sure about the entrance fee but the postcode is cb17gx Sentence8: Your taxi was successfully booked. A black volvo car will pick you up at 1630 from the Junction Theatre and take you to the Taj Tandoori restaurant. Sentence9: Thank you! Can you please book me a taxi from the theatre to the restaurant, leaving the theatre at 16:30? Sentence10: Yes please for two people. Sentence11: 64 Cherry Hinton Road Cherry Hinton 01223412299 cb17aa there you go. Sentence12: taj tandoori is indian food located in the south. Want to book it? Question: Who has spoken the sentence 8? (A) User (B) System
Output: 


Answer: (A) User