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: sure thing! We have museums, entertainment and a boat. Anything there catch your fancy? Sentence2: I'm looking for a place to go in the east. Sentence3: Come to think of it, I think I may need a taxi to get me between the two. Can it get me from Cherry Hinton to Anatolia by 17:30? Sentence4: Great, thank you. Sentence5: It was a pleasure to help. Have a wonderful day. Goodbye. Sentence6: You pick something in the east for me. I'll need the address, postcode and entrance fee. I'm also wanting information on Anatolia. Thank you! Sentence7: Okay, let's book a table at the Anatolia for Monday at 17:30. I'll need it booked for 3 people. Sentence8: All done, your reference number is M5W4NO7F . They will hold your table for 15 minutes. Can I help you with anything else? Sentence9: Thank you so much that is everything, I will be putting you on my Christmas Card list, you are awesome! Sentence10: Yes, not a problem. I have a blue lexus booked for you. The contact number is 07234258903. Sentence11: You're very welcome. Now, the Anatolia is a moderately priced turkish restaurant located in the city centre. Sentence12: No that is all I need today. Sentence13: It is always my pleasure. Can I help you with anything else? Sentence14: I actually haven't been to Cambridge before. Can you tell me a few types that might be in that area? Sentence15: Lets start with the attraction information first. Cherry Hinton Water Play is a free park located at cherry hinton hall, cherry hinton road and the postcode is cb18dw. Sentence16: Is there a certain type of attraction you'd like to see? Question: Who has spoken the sentence 4? (A) User (B) System
Output: 


Answer: (A) User