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 would like to find a lovely hotel to stay in cambridge that has free wifi, so I can watch netflix. Can you help me with that as well? Sentence2: The booking at huntingdon marriott hotel was successful. Your reference number is 5ZCWD20P . Sentence3: I'm showing 3 different ones. One is located in the centre & the other 2 are west. Would you like me to book one of these for you? Sentence4: The TR8662 train arrives in Cambridge at 12:35. Do you want me to book a hotel now? Sentence5: I'm looking for a train departing from Norwich to Cambridge on Friday, I'm hoping to leave by 12:00. Sentence6: Welcome. have a nice day. Sentence7: TR8662 runs norwich to cambridge and leaves at 11:16 that day. Should I book it for you? Sentence8: I'd like a 4 star hotel but it doesn't matter which area it's in. Sentence9: Oh I'm sorry, I forgot I need to know what time my train will arrive in Cambridge. Can you please help me with that first? Sentence10: We have lots of accommodations that include free wifi. What type of place would you like to stay in, and what area of the city do you prefer? Sentence11: The price of the TR8662 is 17.60 pounds per ticket. Is there anything more I can help you with today? Sentence12: could I have the price please? Sentence13: Of course what day would you like travel? Sentence14: Hello, I'm looking for a train departing from Norwich on friday. Sentence15: Yes, I'll need a hotel for 7 people for 4 nights starting Friday. Sentence16: Thank you. That will be all. Question: Who has spoken the sentence 13? (A) User (B) System
Output: 


Answer: (B) System