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: Alright I will connect you so you will get tickets for the event. Sentence2: Thank you for contacting Cambridge TownInfo centre. I enjoyed helping you. Goodbye. Sentence3: is there anything else I can help you with today? Sentence4: What is the address? Sentence5: I would go with kettle's yard since it is free. Would you like more information? Sentence6: I am also wanting to find out some info on a restaurant called The Gardenia. Sentence7: Thank you so much. Sentence8: Their address is Castle Street, cb30aq. Will there be anything else I can assist you with today? Sentence9: I have you leaving at 16:15 and arriving at 16:45. It'll be a white volvo and the number is 07193127325 Sentence10: I am looking for a museum on the west side of town. Sentence11: Yes, I will need a taxi to commute between the to places. Sentence12: There are 7 museums in the west. Sentence13: i would like to make a reservation there for Wednesday. There will be 6 people. Sentence14: No thank you that will be all Sentence15: Event? I want to book a table at a restaurant please. Sentence16: Let's shoot for 16:45 please. Sentence17: What time would you like your reservation? Sentence18: That is a great Mediterranean place. What would you like to know about it? Sentence19: Booking was successful. The table will be reserved for 15 minutes. Reference number is : KF2WIGAS . Can I help with anything else today? Sentence20: Which one is the cheapest? Question: Who has spoken the sentence 17? (A) User (B) System
Output: 


Answer: (B) System