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 am not showing any in that part of town, ould you like me to try other areas? Sentence2: Did you need to book a room at the Huntingdon Marriott Hotel? I can help you out with that. Sentence3: The Cafe Jello Gallery offers free admission. They are located at 13 Magdalene Street. You can reach them at 01223312112. Their postcode is cb30af. Sentence4: It is a hotel, not a guesthouse. Sentence5: Thanks, what type of hotel is it? Sentence6: That is fine. That's all, thank you! goodbye. Sentence7: Not just yet. I have everything I need for today. Thanks so much for your help! Have a great day! Sentence8: Oh that does sound fun. What is the entrance fee? Also can I have the address and postcode? Sentence9: I am also looking for a particular hotel named huntington marriott hotel. Sentence10: You too, and thanks for contacting Cambridge TownInfo centre! Sentence11: what type of hotel is it? Sentence12: It is a 4 star hotel. Would you like to book this hotel? Sentence13: How about a museum in the west? Sentence14: Sure. I think a fun place to visit is Cafe Jello Gallery. Sentence15: The Huntingdon Marriott Hotel is a beautiful and expensive hotel in the west. They have a 4-star rating and offer both free wifi and free parking. Sentence16: I am looking for an attraction to visit in the west that involves architecture, any suggestions? Question: Who has spoken the sentence 9? (A) User (B) System
Output: 


Answer: (B) System