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: There are several with free parking. Is there a part of town you are interested in? Sentence2: I like the Riverboat Georgina myself. Do you want the number there? Sentence3: I'm not ready to book just yet. Could you just give me the phone number? Sentence4: there are about 79 cool places to check out in town Sentence5: The Acorn Guest House does offer free wifi. Would you like to book a room? Sentence6: I would like a cinema. Sentence7: I'm looking for a hotel, I'm excited to see some tourist attractions so there needs to be free parking. Sentence8: Thanks! That's all I needed. Goodbye! Sentence9: Sounds great! Does it have free wifi? Sentence10: Well give me your favorite Sentence11: The cineworld cinema is in the south part of town at cambridge leisure park, clifton way. Is there anything else I can do for you? Sentence12: Sure! The phone number to the Acorn Guest House is 01223353888. Is there anything else I can help you with? Sentence13: Acorn Guest House in the north has 4 stars and offers parking. Sentence14: No problem. Their number is 00872208000 and their postcode is cb17dy. Sentence15: I'd prefer a cinema that's in the south part of town. Sentence16: Maybe you could suggest one in the moderate price range. Sentence17: Yes. I was looking to find some place to go in town. Sentence18: That sounds great. Can you provide me with Cineworld Cinema's postcode and phone number please? Sentence19: Great! Glad to have been of assistance. Thanks for using our service. Sentence20: I have two cinemas in town for you, the Cineworld Cinema and Vue Cinema. Would you like information on any of these? Question: Who has spoken the sentence 1? (A) User (B) System
Output: 


Answer: (B) System