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: Actually I'll be taking a taxi between the two. But before I do that, is there an entrance fee? Sentence2: All set, look for a yellow bmw, if there are issues, they can be reached at 07689463937, any other questions? Sentence3: I'll be happy to find information on the hotel. What hotel would you like me to look up for you? Sentence4: the junction fits your description. can i give you their address? Sentence5: No, you have taken care of everything. Thanks you so much. Good-bye. Sentence6: im also looking for a place to go in the south Sentence7: The Junction does not have their entrance fee available. Would you like their phone number to call them? Sentence8: i'm looking for a particular hotel Sentence9: Finches Bed and Breakfast. I would like to book it for 1 person and 4 nights, start date on Wednesday. Can you also provide me with reference number? Sentence10: there are many things to do. What would you like ? Sentence11: it should be a theatre. get me the entrance number Sentence12: No thank you. I would like a taxi, leaving The Junction by 17:30. Sentence13: Your Welcome good bye Sentence14: I have made your reservation. Your reference number is 97RYHJTP . Question: Who has spoken the sentence 1? (A) User (B) System
Output: 


Answer: (B) System