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: Yes I am looking for an expensive restaurant that serves modern european food in the centre. Sentence2: Darry's Cookhouse and Wine Shop meets all of these requirements. Would you like me to reserve a table? Sentence3: Can you get me the phone number please? Sentence4: Certainly, The Man on the Moon's phone number is 01223474144. Do you need information about anything else? Sentence5: Hi! I am so excited to be traveling to Cambridge. Would you please help me look for a place to eat while I am there? Sentence6: There are 100 restaurants in Cambridge! Do you have a food type preference? Sentence7: No I do not need any more info Thanks Sentence8: Also, I am looking for a multiple sport attraction in the same area. Can you help? Sentence9: The man on the moon is located at 2 norfolk street, postcode cb12lf. Do you need the phone number as well? Sentence10: No. Hmm. What about a concerthall? Sentence11: I would also like the address and postcode for The man on the Moon concert hall. Sentence12: The phone number for The Man on The Moon is, 01223474144. Is there anything else I can do for you? Sentence13: The Man on the Moon is a concerthall in central Cambridge. It is located at 2 norfolk street, postcode cb12lf. Is there anything else I can do for you? Sentence14: Yes I will need the phone number please. Sentence15: We don't have any sports attractions in this area. Is there another area I can help you with? Sentence16: Yes certainly. The address is 40270 King Street City Centre, postcode cb11ln. Their telephone number is 01223505015. Sentence17: No, but can you give me the phone number and address including postcode please? Sentence18: If you need anything else, please contact us. Have a good day. Question: Who has spoken the sentence 10? (A) User (B) System
Output: 


Answer: (A) User