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: am also looking for places to go in town. The attraction should be in the centre and should be in the type of museum. Sentence2: I am looking for a Sunday train to Bishops Stortford please. Sentence3: The phone number is 01223307402. Sentence4: TR6742 leaves at 17:29 and arrives in bishops stortford at 18:07. Would you like me to book it for you? Sentence5: We have almost 80 attractions to choose from. Did you have something in mind to do? Sentence6: There are several museums in the centre of town. Do you have a preference on the type of art you which to see? Sentence7: What aspects of it would you like me to help you with? Sentence8: No need to book. But, can you please give me the travel time and the price of the ticket? Sentence9: We have 11 different free museums ranging from art to archaeology. I recommend castle galleries at unit su43, grande arcade, saint andrews street. Sentence10: Yes, I am looking for a museum in the centre. Sentence11: The travel time is 38 minutes and the ticket cost is 8.08 pounds. Is there anything else I can help you with? Sentence12: I am planning a trip in Cambridge. Sentence13: The train should leave after 17:15 and should go to bishops stortford. Sentence14: There are several leaving on Sunday. What time would you like to depart? Sentence15: What is the phone number? Sentence16: Yes I am looking for some things to do while I'm in town. Question: Who has spoken the sentence 3? (A) User (B) System
Output: 


Answer: (B) System