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 is a lot to do in the centre. Is there a certain type of attraction you'd like to see or do? Sentence2: Hope you have a great time during your trip. Sentence3: Ok. I also need info on the restaurant Darrys cookhouse and wine shop. Sentence4: That was so nice of you to say thanks so much. Sentence5: Darrys Cookhouse and Wine Shop is a modern European restaurant located in the centre of town. It's in the expensive price range. Would you like to make a reservation? Sentence6: Hello, I am looking for some places to go in the centre of town. Sentence7: I don't think so. Thanks for all your help. Sentence8: We don't have any multiple sports facilities in the centre of town. Do you want to look for something else? Sentence9: Booking was successful. The table will be reserved for 15 minutes. Reference number is : BT75ESXM . Can I help you with anything else? Sentence10: You're very welcome! Take care! Sentence11: Yes, that would be great. I'll need a table for 7 on Friday at 18:00. Sentence12: That would be great. Can I have the postcode, address, and entrance fee please? Sentence13: How about a theatre? I think we would enjoy seeing a show! Sentence14: May I recommend Cambridge Arts Theatre located in the centre of town? Sentence15: I don't have any information about admission, but you can call them to get more information. The number is 01223503333. The address is 6 saint edward's passage cb23pj Sentence16: I was thinking something related to multiple sports Question: Who has spoken the sentence 4? (A) User (B) System
Output: 


Answer: (A) User