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: They do not have a fee. It is free to enter. Sentence2: Your tickets are all set, reference number is VKWMNP74 Sentence3: Where are you departing from? Sentence4: I need to arrive in Cambridge by 10:00 please Sentence5: Is there anything else I can look up for you today? Sentence6: No problem! Thanks for contacting the Cambridge TownInfo centre and have a great day! Sentence7: I am looking for a train that leaves for Cambridge on Monday. Sentence8: Thanks! I'm also looking for a good museum in the center of town. Sentence9: Train TR2987 will arrive in Cambridge by 9:52. Would you like to book it? Sentence10: Fantastic. Can you provide me with the address and phone number for the Castle Galleries, please? Sentence11: What is their entrance fee? Sentence12: Hello, I am departing from Ely. Sentence13: They are located at unit su43, grande arcade, saint andrews street and their phone number is 01223307402 Sentence14: There are several trains available, starting at 5:35 am and ending at 11:35 PM. What time would you prefer? Sentence15: No, that's it. Thank you. Sentence16: I have everything I need. Thanks! Sentence17: There are 11 museums, I would recommend castle galleries because it's free. Sentence18: Yes, please. I need 6 tickets and a reference number. Question: Who has spoken the sentence 13? (A) User (B) System
Output: 


Answer: (B) System