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 Jesus Green outdoor pool, located between Victoria and the river and Kings hedged learner pool, Jedburh court and Kings Hedges. Sentence2: The postcode for Jesus Green outdoor pool is cb43px. Is there anything else I can help you with? Sentence3: Yes, I'm also looking for something to do on the north side of town. Sentence4: Can you help me find the a and b guest house hotel? Sentence5: No, that's all. Thank you. Sentence6: Yes, one person staying for two nights starting Monday. Can you book that? Sentence7: That is unfortunate. I can cut my stay down to a single night if that helps. Sentence8: Swimming would be fine. Sentence9: Absolutely. the A and B Guest House is on the east side of town and has a moderate price range. Would you like to book a room there? Sentence10: There is swimming, boating, and a park. Which do you prefer? Sentence11: Can I have the postcode for that pool please? Sentence12: I'm sorry but I could not book that. Would you be able to book another day or a shorter stay? Sentence13: Great! Have fun! Goodbye! Sentence14: The booking was successful. The reference number is DAA8L07B . Anything more? Question: Who has spoken the sentence 9? (A) User (B) System
Output: 


Answer: (B) System