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: It is listed as entertainment. Sentence2: Thank you so much for your help! We will arrive there at Frankie and Bennys ,17 :15 on Thursday. Is it close to funky fun house? We are looking for that Sentence3: Can we try another day or time slot? It appears this one is full. Sentence4: I do not know the answer to that, sorry. You can call them at 01223304705 for further clarification. Again, I'm really sorry for the inconvenience. Sentence5: Actually, could you see if there is an Italian one? Sentence6: I've booked your reservation at Frankie and Bennys Thursday at 17:15 for a party of 5. Your reference number is 6FX43AF8, your table will be held for 15 minutes. Sentence7: Is there something else I can help you with? Sentence8: What kind of attraction is Funky Fun House? Sentence9: Of course. There are 5 restaurants in the south that are expensive. 2 Chinese, 2 Indian and 1 Mexican. Do you have a preference? Sentence10: No, I'm sorry. Would you like me to check in another part of town? Sentence11: Yes, again, their phone number is 01223304705. Sentence12: Should i just call them directly for more info? Sentence13: I am looking for a restaurant in the south part of town in the expensive price range. Can you help me find one? Sentence14: Can you try to book for 17:15? Sentence15: Funky Fun House is in the east area of town. Sentence16: OK, have a great day. Please contact me again if I can help you further. Good bye. Sentence17: There is a restaurant called frankie and bennys. Would you like me to book it for you? Sentence18: Hmm, well I am really wondering what the Funky Fun House is as for as attraction type. It doesn't give any additional info on that? Sentence19: That is fine, I will contact them. Thank you. Sentence20: Yes, can you put me down for a party of 5 at 18:15 this Thursday? Sentence21: Don't you have one that serves south african food? Sentence22: Great, thanks. That's all I needed. Question: Who has spoken the sentence 1? (A) User (B) System
Output: 


Answer: (B) System