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: Your booking with a white ford has been completed. The contact number is 07979324338 and you will leave at 7:00. Sentence2: Thank you that is all, good bye. Sentence3: I would be happy to book a taxi for you, what time would you like to leave the college by? Sentence4: Magdalene College is located in the west part of Cambridge. What information would you like about the college? Sentence5: The booking was successful. Your reference number is ZR1YUZB1 . Sentence6: Thank you. I also need a taxi from the college to the hotel, please. Sentence7: How about just for 1 night? Can I also get a reference number. Sentence8: Magdalene College is located on Magdalene Street with a postcode of CB30AG. Is there anything else I can help you with? Sentence9: I am planning a trip to Cambridge. I was hoping to find the attraction called magdalene college. Sentence10: The Ashley Hotel is a moderately priced hotel on the north side of town. Would you like assistance booking a room there? Sentence11: I'd like the postcode and address, please. Sentence12: I'd like to leave the college by 7:00. Sentence13: I'd like to find the Ashley Hotel, please. Sentence14: You are welcome. Have a nice day. Good bye. Sentence15: Yes. I'd like to book a room on Friday for 2 nights for 7 people. Sentence16: That booking was unsuccessful. Would you like to try a different day, or a different length of stay? Question: Who has spoken the sentence 12? (A) User (B) System
Output: 


Answer: (A) User