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: Yes. There are three cheap 4 star guesthouses. There is one in the centre and two in the east. Sentence2: There are five parks. The cambridge university botanic gardens is located in the centre, just like the hotel. Sentence3: I wouold like to leave The cambridge university botanic gardens by 17:00 Sentence4: Yes it has fre wifi,how many people staying and how many nights please? Sentence5: How many nights will you be needing? Sentence6: The reference number for that is: DXZBH03X . Would you like a park near the hotel? We will need more information to book the taxi, where will it be departing from and arriving to? Sentence7: I'll be staying for our nights. Sentence8: Thank you for your help. Sentence9: That sounds great! Can I please have the address and phone number? Sentence10: Yes, I would like a park near the hotel. Sentence11: There will only be 1 person. Sentence12: Would you like that booked? Sentence13: Yes, I had mentioned I will need a taxi between the park and the hotel. Sentence14: I am sorry I need a time to schedule the cab please Sentence15: Hello. I am looking for a cheap guesthouse to stay in in Cambridge. Can you help? Sentence16: It's all booked. Be expecting a yellow Volvo. Please call 07681935909 if you need to reach them. Sentence17: Is there anything else I can do for you? Sentence18: Ok, I have several. Do you have a particular area in mind? Sentence19: Yes, one person, 4 nights starting Wednesday. Reference number for that, parks to visit. Area, address and phone number and a taxi to arrive at 17:00, contact number and car type. Sentence20: I need one that includes free wifi. Sentence21: I'd like to have you make a reservation at the one in Centre (providing it has free wifi too) starting on Wednesday. Sentence22: That is all, thanks. Sentence23: They are located on Bateman Street I don't know the exact address and their phone number is 01223336265. Is there anything else I can help with today? Sentence24: I hope you have a good trip. Have a nice day. Goodbye. Question: Who has spoken the sentence 22? (A) User (B) System
Output: 


Answer: (A) User