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: where are you going may I ask? Sentence2: Hey, I have some time to kill and I was wondering if there were any multiple sports places in town? Sentence3: Train TR4664 leaves at 21:29 and arrives at 22:07. Sentence4: I would like the postcode, phone number, and address Sentence5: The cherry hinton village centre, on the eastside, is the only one in town. Would you like more information? Sentence6: I also needs a train that leaves after 13:00 on friday. Sentence7: I do not have the hours but they can be reached at 01223576412, can I help with anything else? Sentence8: Yes. May I please get a recommendation for a museum in the centre of town? Sentence9: Can you get me the hours for that one? Sentence10: Yes, I'll also need the postcode and address, please? Sentence11: I would recommend the Regency Gallery. Do you need anything else? Sentence12: There is a train that leave at 13:29 on Friday. Do you want that instead? Sentence13: The phone number for Regency Gallery is 01223365454. Can I be of further assistance today? Sentence14: The cherry hinton village centre is located at colville road, cherry hinton, postcode cb19ej. Their phone number is 01223576412. Can I do anything else for you today? Sentence15: The museum's address is 39 fitzroy street cb11er. May I assist you further? Sentence16: From Cambridge to Bishops Stortford. Sentence17: Isn't there a train that leaves closer to 13:00? Sentence18: ok, what is their phone number? Question: Who has spoken the sentence 12? (A) User (B) System
Output: 


Answer: (A) User