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: Does not matter can you just recommend one please. Sentence2: They are located at unit su43, grande arcade, saint andrews street, cb23bj. You can reach them at 01223307402. Sentence3: Castle Galleries is a very nice museum in the centre, and their entrance fee is free! Sentence4: There are 79 attractions in Cambridge. There are churches, museums, swimming pool, and many more attractions. What are you interested in doing? Sentence5: There are 11 museums in the centre area. There is a science museum, an art and antiques museum, and 9 others. What kind of museum are you interested in? Sentence6: Hi, I am traveling to Cambridge and am super excited to see some local tourist attractions. I am looking for some suggestions on places to go in town. Sentence7: Thank you. I am also needing help booking a guesthouse in the north part of town. Can you assist me with that? Sentence8: 4 people for 5 nights starting Sunday and I also need the ref # too please Sentence9: Perhaps I'd like to see a museum. Are there any in the centre? Sentence10: Excellent. Can I please have they're phone number and address please? Sentence11: Ok great, we have you booked in the alpha-milton guest house at 63 milton road. Your Reference number is : KPUSMIB9 . Thank you! Sentence12: You're in luck. There are 11 guesthouses in the north. What amenities are you looking for? Question: Who has spoken the sentence 9? (A) User (B) System
Output: 


Answer: (B) System