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: Okay, thank you. I would also like to go to a museum while I'm in town. Could you give me some information on possible options? Sentence2: You're very welcome. Have a good day, goodbye. Sentence3: No thank you. Could you recommend your favorite museum? Sentence4: Yes I am looking for a place to stay that includes free wifi. I would prefer a guesthouse. Sentence5: I have found several guesthouses is there a particular are you wish to stay in? Sentence6: There are many different museums available. Is there a certain area you would prefer? Sentence7: I have the El Shaddai in the center that is cheap and has a 0 star rating. Would you like a booking? Sentence8: The Broughton House Gallery is a lovely museum in the centre of town. It's located at 98 King Street cb11ln and has free entrance. Their phone is 01223314960. Would that work? Sentence9: Your reference number is 0E0R0NEJ . Sentence10: Yes they sure do. Would you like me to book you a room? Sentence11: Yes that will be fine. I will be needing accommodations for 5 adults for a total of 4 nights 5 days beginning Sunday. Include reference number. Sentence12: I am looking for a cheap hotel with a rating of 0 out of 5 stars. Sentence13: Actually, yes, that's great. You've answered all my question wonderfully, thank you. Bye! Sentence14: Does the El Shaddai include free wifi? Question: Who has spoken the sentence 3? (A) User (B) System
Output: 


Answer: (B) System