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: There are 10 locations on the cheap side. Do you have an area of town in mind? Sentence2: How about Alexander Bed and Breakfast? It's in the CB12DE postcode. Sentence3: Okay. Can you also provide me with information on The Cambridge and County Folk Museum? I would like their phone number, venue type and postcode. Sentence4: We have 1 hotel and 9 guesthouses that fit your criteria. Do you have a preference? Sentence5: Can you reserve tickets for me? Sentence6: got it right here. What would you like info on? Sentence7: I have no preference regarding the area. Sentence8: The County Folk Museum. I need the phone number, venue type and postcode. Sentence9: i'm looking for a place to stay that is on the cheap side. Sentence10: What's the postcode for your favorite of those guesthouses? Sentence11: 7 of them are four star guesthouses. would you like me to book you a reservation? Sentence12: I cannot reserve tickets to the museum, if that's what you're asking. Sentence13: Are any of them 4 star guesthouses? Sentence14: Sure thing. Their phone number is 01223355159. Postcode is cb30aq and it is in fact a museum like the name suggests Question: Who has spoken the sentence 6? (A) User (B) System
Output: 


Answer: (A) User