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: Please have a taxi pick me up from the hotel at 13:00 and take me to the boat attraction. Send me car type and contact number. Sentence2: I would prefer a guesthouse that includes free parking. Sentence3: I am also looking for some places to go in the north. Any Recommendations? Sentence4: Your booking was completed. The car will be a grey volkswagen and the contact number is 07010971496. Sentence5: i am looking for a place to stay. The hotel should have a star of 4 and should be in the cheap price range. Sentence6: You would love the Allenbell guesthouse. It meets your criteria. Would you like me to book you a reservation? Sentence7: That sounds good. Can you give me the phone number and address for there? Sentence8: There are 8 hotels that meet your requirements. Do you prefer a hotel or guesthouse? Sentence9: The address is cambridge passenger cruisers, jubilee house. Their phone number is 01223902091. Is there anything else I can assist you with today? Sentence10: Ok. I was able to take care of that for you, Your reference number is 5JNUY73K . Sentence11: Would you like to go boating? riverboat georgina is in the north Sentence12: Thank you for the assistance. I believe we are finished. Sentence13: Yes please go ahead and book for 5 people for 5 nights starting from Tuesday. Sentence14: Have a wonderful time. Question: Who has spoken the sentence 4? (A) User (B) System
Output: 


Answer: (A) User