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: Okay, the reference number is KVTFY7CR . Is there anything else you need? Sentence2: Monday, and I would like to get there by 21:15. Sentence3: I was hoping to visit the cambridge university botanic gardens. Sentence4: Where will you be departing from? Sentence5: The postcode is cb21jf. The phone number is 01223336265 and they are located on bateman street. Is there anything else i can help you with? Sentence6: Cambridge University Botanic Gardens is located at Bateman Street in Centre with an entrance fee of 4 pounds. Do you need more information? Sentence7: No, that's it for me today. Thanks very much for your help. Sentence8: cambridge, I need 5 tickets and the reference number Sentence9: I sure can! What day are you looking to travel? Sentence10: Yes, I will need the phone number, postcode and address please. Sentence11: enjoy your time in Cambridge! Sentence12: I'll need a train to Birmingham New Street. Can you help with that? Question: Who has spoken the sentence 5? (A) User (B) System
Output: 


Answer: (B) System