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: I have several that match that criteria, do you care about parking or wifi? Sentence2: Are there any in the moderate price range? Sentence3: i need a place to go which is the type of a college. Sentence4: Yes, I need to book accommodation. can you recommend a guesthouse in the northern area of town? Sentence5: Sounds great, Can you book it on Sunday for 2 nights for 2 people? Sentence6: I have booked you with a yellow honda taxi. The number to contact is 07912722753. . Sentence7: I would like it to be expensive please Sentence8: How does the Acorn Guesthouse sound. It is moderately priced and has free wifi. Sentence9: I would also like to book a taxi from the college to the guesthouse. Can you help with that? Sentence10: Sure, can you give me the address for that? You said it is in the west, right? Sentence11: Is there a certain area you're interested in? If that doesn't matter, I recommend Clare College in the west. Sentence12: Great!! Thank you for all your help. Sentence13: I sure can! I'll just need to know a time that you either want to arrive at the hotel by or leave the college by. Sentence14: Your welcome! Please contact us anytime. Good bye. Sentence15: I'd prefer it to have wifi, parking it doesn't really matter. Sentence16: I want to leave the college by 21:15 please. Sentence17: I was able to book the room, the reference number is MQGFE5F1 . Is there anything else I can assist with today? Sentence18: That's right Clare College in the west part of town. The address is just trinity lane. Anything else I can do for you? Sentence19: Is there a price range you prefer? Sentence20: There are no hotels that match that criteria. Are you interested in a different price range. Question: Who has spoken the sentence 4? (A) User (B) System
Output: 


Answer: (A) User