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 2 places, gonville hotel and university arms hotel, any other preference or questions before I book? Sentence2: I have booked your hotel. Your reservation number is C0ASBZHA Sentence3: Thank you very much. I think that's all. Sentence4: Book the gonville hotel for 3 people and 3 nights starting Tuesday. May I have the reference number too? Sentence5: Sure! It's architecture in the centre of town.It has postcode to cb58bs Sentence6: I would recommend the All Saints Church in that area. Would you like more information regarding it? Sentence7: Could I get the address, postcode and attraction type? Sentence8: Hi, i want an expensive place to stay in the town centre please. Sentence9: Yes, do either include free wifi or free parking? Sentence10: Yes, both of them have free wifi & parking. Would you like to book this for you? Just tell me which hotel you prefer. Sentence11: Thank you! I'm also looking for some places to go around the hotel. Do you have any recommendations? Sentence12: Well, thank you for booking through our service. Have a pleasant day! Question: Who has spoken the sentence 1? (A) User (B) System
Output: 


Answer: (B) System