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: am looking for places to go in town. The attraction should be in the type of museum. Sentence2: Either will work. I would like to book a table for 2 people at 13:25 on Monday. Sentence3: There are two cheap places in the south. The Lucky Star serves Chinese food, and Nandos serves Portuguese food. Which do you prefer? Sentence4: i'll need a taxi Sentence5: Byard Art is near where you will be eating. The entrance fee is free. Sentence6: You are the one that suggested Byard art. Remember? Sentence7: That's all I need, thanks so much for all of your help! Have a great day! Sentence8: Thanks. Could you also find a museum to go to in town? Sentence9: Great. Can you tell me the postcode for Byard Art? Sentence10: Byard Art is close and is free. It is at 14 Kings Parade. Sentence11: Sure! There is no entrance fee to byard art. Is there anything else I can help you with today? Sentence12: I can help you with that. I'll need to know your departure site and destination. You can also tell me the departure time and arrival time. Sentence13: Which museum will you be attending? Sentence14: I'm looking for a restaurant in the south that is cheap. Sentence15: I have booked a table for two at The Lucky Star on Monday at 13:15. Your reference number is X2YXZ9P . Anything else? Sentence16: sorry about that. Booking completed! Booked car type : blue lexus Contact number : 07150432273 anything else? Sentence17: I'd like to get the postcode for the museum first, please. I'll need the taxi to get from the museum to Lucky Star in time for my booking. Sentence18: Yes I will book it for you and get a reference number ? Question: Who has spoken the sentence 8? (A) User (B) System
Output: 


Answer: (A) User