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: Cambridge museum of technology is a museum on the east side of town. Sentence2: Aylesbray Lodge Guest House is in the south. It is in the moderate price range and has 4 stars. Would you like to make a reservation? Sentence3: It's 5 pounds for the entrance fee. Their address is the old pumping station, cheddars lane, and phone number is 01223368650 Sentence4: Thank you. I need a taxi to leave my hotel at 16:15 to go to the museum please. Sentence5: I'd like to leave by 16:15, please. Sentence6: You're all set! I've booked your taxi, so keep an eye out for a red volkswagen at 16:15. Your contact number is 07554925977. Anything else for today? Sentence7: Thank you, can you give me information on museums in the east side? Sentence8: You're welcome! Hope you enjoy your stay at the Alyesbray Lodge guest house and your visit to the Cambridge Museum of Technology! Sentence9: Yes. We're a group of six and we'd like to stay for two nights. We want to check in on Tuesday. Sentence10: I'd love to help! When would you like to arrive or leave by? Sentence11: Sure. The postcode of the museum is cb58ld. Anything else I can assist you with? Sentence12: I am looking for a place to stay that is named aylesbray lodge guest house. Could you give me some information about it? Sentence13: Nope, that's all for today. Thanks. Goodbye. Sentence14: Sorry, could I please get the postcode for the museum? Sentence15: That sounds interesting! Can you give me their address and postcode, please? And how much is it to get in there? Sentence16: Your Booking was successful. Reference number is : 2V9TM90Z . Question: Who has spoken the sentence 11? (A) User (B) System
Output: 


Answer: (B) System