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: Yes, I'm also looking for a hotel called the Lovell Lodge. Can you help me find information about this hotel? Sentence2: 2 stars. Yes it has free internet. Sentence3: Thank you, and have a nice day! Sentence4: It will be a grey Audi, and the contact number is 07486491137. Will that be all today? Sentence5: I am traveling to Cambridge and excited to see local tourist attractions. I am looking for a museum in the west part of town. Sentence6: Sure thing! Lovell lodge is located in the north at 365 milton road. What else would you like to know? Sentence7: Yes, that's all. Goodbye! Sentence8: There are 7 options, the first is cafe jello gallery located at 13 magdalene street, phone number 01223312112. Would that work? Sentence9: Does Lovell Lodge have free internet, and may I ask what star rating it has? Thank you for checking this for me. Sentence10: Thanks! I will also need to book a taxi to pick me up at the hotel by 24:30. Can you help with that? Sentence11: Yes, the postcode is cb30af. Entrance is free! What else can I help you with today? Sentence12: That would work well for me can I get their entrance fee and postcode as well? Question: Who has spoken the sentence 8? (A) User (B) System
Output: 


Answer: (A) User