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: What is the entrance fee? Sentence2: Yes, can you get me information about Huntingdon Marriott Hotel? Sentence3: Thank you for contacting us and have a nice day. Sentence4: There are only boat attractions in the east, north and centre so If i was you I wouldn't stay in the west or south. Sentence5: Depends on what area of town you'll be visiting. Sentence6: We are visiting for a couple days and would like to see some boat attractions in town. What do you have available? Sentence7: You are all set. Be expecting a blue Audi. Please call 07750823972 should you need to reach them. Sentence8: Thank you for your help. Sentence9: I haven't decided on what area of town I will be staying in, I would just like to know the boat attractions please. Sentence10: I'm sorry, but I have checked all the boat attractions in the other areas of town and none have entrance fees listed. Can I help with something else? Sentence11: The camboats in the east side is highly suggested. Would you like any information on them? Sentence12: Ok. I would like the name of a specific boat attraction please. Sentence13: Your booking was successful, your reference number is GOL43A42 . What else can I help you with today? Sentence14: It's an expensive 4 star hotel at kingfisher way, hinchinbrook business park, huntingdon on the west side of town. Phone number is 01480446000 and postcode is pe296fl. Provides free internet/parking. Sentence15: I also need a taxi between the two places that leaves the hotel by 17:15, please. Sentence16: Can I book lodging for 7 people starting on Saturday? We're staying for 4 nights. Question: Who has spoken the sentence 6? (A) User (B) System
Output: 


Answer: (A) User