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: That is great. Thank you, goodbye. Sentence2: Enjoy your time at the museum and the center. If there is anything else you need help with please contact us anytime. Sentence3: There are many trains. Any date/time/places you were looking to travel to? Sentence4: I want to arrive in Stevenage and leave Cambridge on a Friday. Sentence5: Sure thing. Both are free and the postcode for the museum of archaeology is cb23dz and the fitzwilliam postcode is cb21rb. Sentence6: TR5497 leaves at 07:21 and arrives at 08:10. Would you like to purchase a ticket? Sentence7: I would like to arrive by 10:00. Can you please give me the train ID and departure time? Sentence8: ok and what are their entrance fees? Sentence9: Can I have the entrance fees for both of those please, and the associated postcodes? Sentence10: There are ten trains on Friday. The first train leaves at 05:21 and the last train leaves at 23:21. What time do you want to leave or arrive? Sentence11: There's 23 museums in the Cambridge area. Is there a specific part of town you'd like to visit? Sentence12: Hi! I need to get a train schedule, can you help me with this? Sentence13: There are 11 museums in that area, including museum of archaelogy and anthropology and the fitzwilliam museum. Sentence14: No thank you. I do need to find a museum to visit though. Sentence15: Bot museums are free, they do not have an entrance fee. Sentence16: I would like it to be in Centre. Question: Who has spoken the sentence 5? (A) User (B) System
Output: 


Answer: (B) System