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: First I need a little more information to find something that will suit your needs. What are your departure and arrival destinations? Sentence2: Thanks. I am all set here. Sentence3: I'm coming to Cambridge from Peterborough. Sentence4: Okay, is there a certain time you need to arrive by? Sentence5: No, just need to leave after 15:00. When will I arrive and how long does it take? Sentence6: I am also looking for a multiple sports complex to visit. Sentence7: no, thanks I just need the phone number Sentence8: There's the cherry hinton village centre. Would you like more information? Sentence9: No thanks. I also need multiple sports places to go please. Sentence10: No thank you. I have everything I need for now. Sentence11: Would you like some info on that venue? Sentence12: You have a few options. One train leaves at 15:19 and it's about a 50 minute trip, putting you in cambridge at 16:09. Should I book it for you? Sentence13: I need to take a train on saturday after 15:00 Sentence14: The phone number for the cherry hinton village centre is 01223576412 Sentence15: Okay, I found one on the East side called the cherry hinton village centre. Would you like me to get you the address? Sentence16: Have a wonderful day Question: Who has spoken the sentence 3? (A) User (B) System
Output: 


Answer: (B) System