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: Does that have free parking? Sentence2: I don't have that either. Sentence3: I have 8 different four star guesthouses. They all include internet, would you like to make a reservation? Sentence4: Booking was successful. Reference number is : 7FLYWY4J . I would love to help with anything else ! Sentence5: I can book you into the Acorn Guest house. How many nights do you want to stay? Sentence6: I also need a cinema to visit? Sentence7: Will you please try again? There's gotta be a park somewhere. Sentence8: Oh okay, looks like there is one park. It is Milton Country Park in the North. Their phone number is 01223420060. The address is milton country park, milton. Sentence9: What type of restaurant are you looking for? Sentence10: How many people will be staying at the Acorn, please? Is the booking for you only? Sentence11: Thanks, I need a taxi to get between the two places. Sentence12: What time would you like to leave? Sentence13: Yes, the Acorn guest house has parking Sentence14: I'm sorry, there was an error in our system. Could you please rephrase your question? Sentence15: There will be 5 of us Sentence16: Ok. I booked a yellow toyota for you leaving milton country park at 09:15 and going to the acorn guest house. Is that correct? Sentence17: I have 5 other parks in the centre, east, north, and south. Sentence18: Do you have a price range or star level in mind? Sentence19: I need a restaurant to commute between the attraction and restaurant. I want to leave the attraction by 9:15 and I need car type and contact number please. Thank you, bye.. Sentence20: I need a don't care restaurant. Thank you Sentence21: i need a place to stay Sentence22: Can you select one and make a reservation for me for Thursday please? Sentence23: Sorry, I didn't find any cinemas in the north. Sentence24: I need to get there by 09:15 Sentence25: I can help with that. Do you have a preference in location? Sentence26: Okay I have booked a yellow toyota for you. The contact number will be 07196305390 Sentence27: Can you book that for me for 2 nights beginning Thursday? Sentence28: Hmm, how about a park, then? Sentence29: In the same area as the hotel Sentence30: I don't care about price but I'd like a 4 star place. Sentence31: I just want a park in the same area as my hotel Sentence32: Great. Can you also book a place for dinner on Thursday night? Sentence33: Do you have a particular part of town in mind? Sentence34: I would prefer it to be in the North. Question: Who has spoken the sentence 9? (A) User (B) System
Output: 


Answer: (B) System