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: I'm looking for a museum. Sentence2: Yes please. I need a table for 2 on Wednesday at 11:15. Sentence3: That sounds cool, I will just need the area it's in and the postcode. Oh, and how much is the cost to get in? Sentence4: How about 10:15? Sentence5: I have found one Korean restaurant that matches your criteria, the restaurant is named little seoul. Would you like me to make reservations? Sentence6: This museum is free to enter. It is in the centre area, postcode cb23rh. Is there any more information that you need? Sentence7: Yes I am looking for an expensive Korean restaurant in the city center. Sentence8: Little Seoul does not have an empty table at 11:15. Would you like to try a different time, or a different day? Sentence9: Your booking has been successful! The reference number is BV8FODGD . Can I help with anything else? Sentence10: That will be all. Thank you. Sentence11: How about a science museum? Sentence12: Ok, there are 23 museums in Cambridge, was there an area you had in mind, or a type of museum? Sentence13: How about the whipple museum of the history of science? Sentence14: You're welcome! Have a great day. Question: Who has spoken the sentence 7? (A) User (B) System
Output: 


Answer: (B) System