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: Where will you be departing from? Sentence2: I don't know what their entrance fees are. I can give you the phone numbers to call both of these places. Sentence3: No thank you that will be all! Bye! Sentence4: What are their entrance fees? Sentence5: It will be on friday and I only need 1 ticket for myself. Sentence6: Thank you. I also need a train to Cambridge, arriving by 19:15 Sentence7: Booking was successful, the total fee is 9.8 GBP payable at the station . Reference number is : D6A6C4N1 . Can I help with anything else today? Sentence8: Cherry hinton hall and grounds phone is 01223446104. I have no information on the entrance fee. Sentence9: what day will you be traveling? Sentence10: The east has both the funky fun house and cherry hinton hall and grounds. looking for something in particular? Sentence11: I will be traveling on Friday. Sentence12: I am looking for entertainment in the east of town. Sentence13: Thank you for contacting us and have a nice day. Sentence14: On what day will you travel? Sentence15: Can you please get me the entrance fee, address and phone number for these. Sentence16: I will be leaving from Kings Lynn. Question: Who has spoken the sentence 9? (A) User (B) System
Output: 


Answer: (B) System