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: I am looking for a cinema, are there any in the area? Sentence2: I need a cinema in the north. Sentence3: Okay, great. Thank you for your help! Sentence4: Thank you, I also need a taxi to communte between the two places. I'll need to leave the kings hedges learner pool by 3:45. Sentence5: Thanks. Yes, I am also looking for places to go when I get there. Are there any cinemas in the same area as Archway House? Sentence6: I definitely need free wifi, and I'd like a 4 star place. Sentence7: No problem, is there anything else I can help with? Sentence8: 01223353248 and cb42xh respectively Sentence9: look out for a blue ford. the contact is 07584361462 Sentence10: What about a pool in the north? Sentence11: archway house is a guesthouse. The address is 52 gilbert road and the phone number is 01223575314. Is there anything else I can help you with? Sentence12: Unfortunately there are no cinemas in the north part of town. Would you like me to see if we have a few located in a different area? Sentence13: I can certainly help with that! Can you tell me a little more about what you're looking for? Sentence14: Can I have the phone number and postcode for Kings Hedges? Sentence15: There are 2 pools in the north, jesus green outdoor pool and kings hedges learner pool. Would you like more information on one of them? Sentence16: What price range are you looking for? Sentence17: The archway house is in the north and 4 stars Sentence18: There are many places to choose from. Do you have a certain price range you want to stay in? How about free wifi and parking? Sentence19: Glad, I could help you plan your experience in cambridge, enjoy your day. Sentence20: I will be traveling soon and am excited about seeing some attractions. I am looking for a place to stay when I get there. Sentence21: That sounds great! What's their address and phone? And is that a hotel or a guesthouse? Sentence22: I have 2 cinemas. One is in the south. The other is in the centre of town. Which do you prefer? Sentence23: Thank you! I would like to stay in the North part of town, please. Sentence24: No that's all thank you for the help! Question: Who has spoken the sentence 21? (A) User (B) System
Output: 


Answer: (B) System