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: Have a nice day, goodbye. Sentence2: We have a lot of excellent options. Is there a particular area you'd like to visit? Sentence3: There are parks in the centre, east, north and south. Could you please let me know which area you prefer? Sentence4: Yes, I would like to find a park to go to. I will need the phone number and postcode. Also, what is the entrance fee for this? Thanks! Sentence5: Sure, the phone number is 01223446011 and the postcode is cb18dw. Is there anything else I can help you with? Sentence6: Perfect, can I get 8 tickets? Sentence7: i am also looking for places to go in town. The attraction should be in the type of park. Sentence8: Can I get the phone number and the postcode? Sentence9: Yes, I would like to visit a park. Sentence10: It is free admission. Sentence11: I will be leaving after 15:15 on Tuesday. Sentence12: There is the Cherry Hinton Water Play park in the east. It's free to get into. Sentence13: Okay, that's all I need, thank you so much! Sentence14: Can I please get a train ticket from Norwich to Cambridge? Sentence15: Booking was successful, the total fee is 140.8 GBP payable at the station . Reference number is : CO0GWJCJ . Can I help you with anything else today? Sentence16: The area doesn't matter, can you recommend one? Sentence17: TR4180 leaves at 15:16. Does that work for you? Sentence18: We have many trains available but to help find the right one could you provide me with what day you will be departing and your departure time and arrival? Question: Who has spoken the sentence 14? (A) User (B) System
Output: 


Answer: (A) User