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: Thank you! Can I also have the address, please? Sentence2: Happy to help, have a nice day. Sentence3: The area doesn't matter but can you recommend one and give me their address? Sentence4: I have 23 museums. Can you help me narrow what area you would like to be in? Sentence5: I would like to be picked up from the hotel by 06:30 Sentence6: its address is 78-80 Milton road Sentence7: That's all, thanks a lot. Sentence8: Admission is absolutely free! Sentence9: Your booking was successful. It will be a yellow audi and the contact number os 0747386590. Is there anything else I can assist you with today? Sentence10: i want to check out a museum Sentence11: My favorite is the Broughton House Gallery, located at 98 King Street. Sentence12: Thank you, have a nice day! Sentence13: Great. Thanks! I also needed to find a taxi, can you assist me with that? Sentence14: Where would you like to be picked up and at what time? Sentence15: What is the entrance fee there? Sentence16: It's a guesthouse in north, 4 stars, moderate price. Sentence17: Contact the Cambridge TownInfo centre if you need anymore help. Goodbye! Sentence18: Sweet!. Can you give me informatin on a place called home from home? Question: Who has spoken the sentence 3? (A) User (B) System
Output: 


Answer: (B) System