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: I need to have the phone number, entrance fee, and postcode please. Sentence2: I will. Thanks. Sentence3: I am sorry, I am unable to book that right now. Is there anything else I can help you with? Sentence4: There are two hotels in the centre. Gonville hotel has 3 stars. University arms hotel has 4 stars. Both have wifi and parking. Sentence5: Are they both expensive? Sentence6: I did not find any places in the Centre of town. Would you like to try another area? Sentence7: Can you book either one for 8 people on Tuesday for 4 nights. Sentence8: i want a place i can watch multiple sports in the centre. Sentence9: Both are expensive. Sentence10: I guess that is all I need. Thanks! Sentence11: I was able to book you rooms for 8 people at the Gonville Hotel. Your reference number is Y28C0SMO . How else may I assist you today? Sentence12: Have a great stay. Enjoy your time. Sentence13: Those would be 01223519224, 5 pounds, and cb23hx in that order. Anything else I can do for you? Sentence14: Yes please, I would love if you could help me find an expensive hotel located in the centre Sentence15: Are there any nightclubs that I could visit, instead? Sentence16: If the expensive isn't available, let's try something in a moderate price range. Sentence17: Sure! I recommend The Fez Club. Their address is 8 market passage Sentence18: I was able to reserve the Gonville Hotel for 4 nights, you confrimation number is Y28C0SMO . Question: Who has spoken the sentence 16? (A) User (B) System
Output: 


Answer: (A) User