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: 3 people, please. And if I can also get the reference number. Sentence2: Does either one have a star of 4? Sentence3: University Arms Hotel is rated 4 stars. Would you like reservation? Sentence4: I have 70 trains. What day and time are you wanting to travel? Sentence5: You're welcome. Thank you. Goodbye Sentence6: Yes, thank you for your help! Sentence7: I have booked 3 tickets on the TR9025 train leaving at 11:59. Your Reference number is : 9JASQYBJ . Will that be all today? Sentence8: Are there any hotels in the centre that have free parking, please? Sentence9: There are two hotels available: the Gonville Hotel and University Arms Hotel. Would you like more information on them? Sentence10: Um, Sunday but after 11:15 Sentence11: Do they have internet and if so what is the address there? Sentence12: Thanks. I'm also looking for a train from cambridge to london liverpool street? Sentence13: They do have free wifi. They are located on regent street. Sentence14: okay how many tickets please? Question: Who has spoken the sentence 7? (A) User (B) System
Output: 


Answer: (B) System