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: A grey ford will arrive to take you to gonville hotel. The contact number is 07759806308. Anything else today? Sentence2: I would like a hotel with free wifi located in the centre. Sentence3: Sounds good, can you book it for me for Wednesday, 3 nights and 4 people? Sentence4: Do you have a price range in mind? Sentence5: Hotels do not have entrance fees. Gonville hotel is located at gonville place in the postcode cb11ly. Anything else for you? Sentence6: The Gonville Hotel is in the expensive price range but is 3 star. The only moderate price hotel in that area is Cityroomz but is a 0 star rating. Sentence7: Can you book me a taxi to pick me up at the Botanic Gardens at 3:30? Sentence8: Thank you, have a great day Sentence9: I am sorry, I am looking for a park near the hotel. I need the entrance fee, phone number and postcode for the park. Sentence10: You can book that on for me. I will need the entrance fee, phone number, and postcode. Sentence11: A moderate price range would be perfect. Could you make sure it also has a star rating of 3? Sentence12: The gonville hotel meets your requirements. Sentence13: No thank you, that's all for today. Goodbye! Sentence14: The Cambridge University Botanic Gardens is a park nearby. Their phone is 01223336265, the post code is cb21jk, it's located on bateman street. Question: Who has spoken the sentence 3? (A) User (B) System
Output: 


Answer: (B) System