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: Allenbell is in the east with a 4 star rating. It has free internet and parking. Would you like to reserve a room? Sentence2: Great, I have several options for you. Is there a particular area you'd like be? Sentence3: I need the place to be in the east part of town. Sentence4: I'm looking for a 4 star place to stay that has free wifi. Sentence5: We have 9 restaurants that meet your criteria. Did you have a particular area of town in mind? Sentence6: please and I need postcode and confirm number Sentence7: Same area as the hotel. I need a reservation for 3 at 17:30 on Sunday and please provide the reference number. Sentence8: Bye now, then. Have a nice day. Sentence9: I also need to book an expensive Chinese restaurant. Sentence10: No, that's all I need, thanks! Sentence11: Postal code is cb13js, before I book, how many people and nights and starting which day? Sentence12: I would like it for 3 people 2 nights starting sunday please. Sentence13: Yu garden is a good choice. I've booked a table for 3 at 17:30 on sunday. Reference number is FT3SRQ1R . Reservations are held for 15 minutes. Need anything else today? Sentence14: Reference number is : U1WO8E7E . Is there anything else I can help you with? Question: Who has spoken the sentence 2? (A) User (B) System
Output: 


Answer: (A) User