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'm hoping to find a french restaurant in Cambridge. Sentence2: Well how about 15:30 then? Sentence3: How about a cinema or museum? There's also The Place, which is a nightclub. Or, The Junction, which is a theatre. How about one of those? Sentence4: Surprise me and pick one for me! Just make sure to let me know what kind of attraction it is. Sentence5: How about the North? Can I get a table there Thursday at 16:30 for 7? Sentence6: Thank you for contacting Cambridge TownInfo centre. Goodbye! Sentence7: Great, is there anything else you needed help with today? Sentence8: We have nearly 80 different attractions in town. First off, is there a type of attraction you would prefer? Or an area of town to search in? Sentence9: No, that's all I need. Thank you for your help! Sentence10: How about a theater? Cineworld Cinema is showing all our the newest London films! Sentence11: There are two. Both are expensive. One is in the north and one is in the centre. Do you have a preference? Sentence12: Please recommend something in the South. Sentence13: Yes, would I be able to get a table there Thursday at 18:00 for 7? Sentence14: I am also looking for an attraction to go to. Is there any in town? Sentence15: I'm not much of a movie man, but I'm sure the others wouldn't mind. That sounds fine. Sentence16: I'm sorry, Restaurant Two Two doesn't have availability then. Would you like to try a different day or time? Sentence17: I'm sorry 18:00 on Thursday is also unavailable. Would you like to try a different day? Sentence18: The booking was successful. The table will be reserved for 15 minutes. Reference number is : OAEJMYOI . Question: Who has spoken the sentence 6? (A) User (B) System
Output: 


Answer: (A) User