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: Thank you for that info on Avalon. I would like to make a reservation. Sentence2: Okay! For when, how long, and how many people? Sentence3: Okay now can you help me find the Avalon Hotel and tell me whether they have free internet, and where they are located as well as their address? Sentence4: The booking was successful. The total fee of 89.6 GBP can be paid at the station. The reference number is YTB38FE3 . Sentence5: You are welcome, have a great day. Sentence6: There are 70 results for trains going to Stevenage. To narrow the results, what day are you travelling on and what time would you like to arrive? Sentence7: avalon is located at 62 gilbert road in the north. They do have free internet Sentence8: ok, is there anything that leaves earlier than that? Sentence9: I want to reserve for seven people for three nights, please. Sentence10: There is a train that leaves at 11:21. Sentence11: No that'll it for the day. Thank you Sentence12: Could you assist me in finding a train to stevenage please? Sentence13: No, there isn't. Would you like me to book you on the earliest departing train? Sentence14: Thursday, leave after 10:30. Sentence15: Book the 11:21 train for 7 people please. Sentence16: The reservation was successful. Thursday 7 people for 3 nights. The reference number is JBNCTENS . Can I help you with anything else? Question: Who has spoken the sentence 13? (A) User (B) System
Output: 


Answer: (B) System