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: What time would you like to travel? Sentence2: Do you care about internet or parking? Sentence3: Their address is Cambridge Passenger Cruisers, Jubilee House. Their phone number is 01223902091. Sentence4: I need to leave the hotel by 16:15. Thanks Sentence5: Sure, is there an area that you prefer? Sentence6: Great. Please book it for 2 people for 2 nights starting on wednesday, and provide the reference number. Also, we would like to find an attraction near the hotel. Sentence7: I have booked at the Acorn Guest House. Your reference number is TVFEX8R1 . How can I further assist you? Sentence8: I have no other preferences. Sentence9: Yes can you please get that for me? Sentence10: Yes, I would like it to be in the north. Sentence11: Okay. There are boats, a park, and pools. Would like more information on any of this? Sentence12: I would recommend riverboat georgina. Would you like the address or phone number for that? Sentence13: A Red Lexus will pick you up at 16:15 at the hotel. Contact number is 07277932086. Is there anything else I can help you with? Sentence14: Anything that you recommend, I'm new to the town. Sentence15: We have 7 places to pick from any other preferences? Sentence16: I'm going to need a ride between the two, can I get a taxi? Sentence17: That's all, thank you so much! Sentence18: Okay, I would like to recommend the Acorn Guest House. Sentence19: Yes, I will need both. Sentence20: Hi, I would like to book a 4 star guesthouse in Cambridge Sentence21: What attractions are nearby? Sentence22: you're welcome. thank you for using our system. have a good day. Question: Who has spoken the sentence 5? (A) User (B) System
Output: 


Answer: (B) System