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: Great, can I get the phone number and postcode? Sentence2: No thanks! I forgot that I'm going to the college instead. I do need a train that goes to Cambridge on Wednesday. I will depart from Kings Lynn after 11:00. Sentence3: Can you tell me a bit about the entertainment type places in the center of town? Sentence4: Wonderful. Thanks very much for your help today. Sentence5: Is there anything else you need help with today? Sentence6: I have 44 places. What type are you looking for? Sentence7: Your tickets have been booked. Your reference number is LNZ0GIXG . Sentence8: Sure, the phone number is 01223338000 and post code is cb21rh. What else can I assist you with today? Sentence9: That's everything I needed. Thanks and goodbye! Sentence10: I have a 12:11 that arrives n Cambridge at 12:58. Would you like me to boo that for you? Sentence11: unfortunately no. want to try another area? Sentence12: Thank you for contacting us and have a nice day. Sentence13: I'm looking for an entertainment venue in the centre of town. Are there any? Sentence14: I want it to be a type of college. Sentence15: Yes, please I will need 5 tickets. Sentence16: There are 13 colleges in city centre. My personal favorite is Corpus Christi, even though they charge a 2 pound entrance fee. Question: Who has spoken the sentence 14? (A) User (B) System
Output: 


Answer: (A) User