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 I also need a taxi between the two places, I want to leave curry garden at 12:00 and go to jesus green outdoor pool. Sentence2: The north please, can I get the phone number, address, and area? Sentence3: The postcode is cb21dp and address 106 Regent Street City Centre Sentence4: That's everything I needed. Thank you so much for your help! Sentence5: Is this located in the centre area? Sentence6: Can you provide me with a great eatery in Cambridge please Sentence7: I will go to the lucky star, thanks so much Sentence8: Is that expensive? Sentence9: OK, I don't need a table right now, but I do need the address and postcode of the Curry Garden, please. Sentence10: Yes, the Curry Garden is an Indian restaurant in the centre part of town. Sentence11: You're very welcome. Thanks for contacting Cambridge TownInfo centre and have a great day. Sentence12: thank you, I will go to the curry garden. Sentence13: Can you tell me about a local swimming pool in town? Sentence14: Okay, I have booked you a taxi between the places. A red volvo will pick you up at 12:00 at curry garden, The contact number is 07309123705. Sentence15: Yes. The curry garden is expensive. Would you like me to book you a table there? Sentence16: There are four swimming pools in town, North, East and Centre. Can you narrow down which area you prefer? Sentence17: I'm sorry, I don't understand what you mean. I'm looking for an expensive Indian restaurant in the center of town. Sentence18: The Jesus Green Outdoor Pool is located between victoria road and the river. Their number is 01223302579. Question: Who has spoken the sentence 6? (A) User (B) System
Output: 


Answer: (A) User