You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Ex Input:
Sentence1: I would like a moderate price hotel in Cambridge. Sentence2: Either one is fine. I need to book it for 5 nights on Wednesday. There are 4 people. Sentence3: I'm not concerned about the area but it doesn't need to include internet. Sentence4: I will work on that and be back with you in a moment. Sentence5: Hi, I am planning a trip and could use some advice on a place to stay. Sentence6: There are two 2 star hotels in the north part of town. Ashley Hotel and Lovell Lodge. Both include free internet and parking. Do you have a preference? Sentence7: Sure. What is your price range and what side of town will you be interested in? Sentence8: I have some moderate priced hotels in the north and center. Do you have a location preference? Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:
Answer: (B) System

Ex Input:
Sentence1: The Hotpot is an expensive Chinese restaurant in that area. Sentence2: Great can I get their phone number as well please? Sentence3: You're quite welcome! Thanks for contacting the Cambridge TownInfo Centre and have a great day! Sentence4: Would you like to eat Asian Oriental, Chinese, European, or French? Sentence5: No thank you. Have a great day! Sentence6: I am looking for an expensive place to dine in the north. Sentence7: The phone number for the hotpot is 01223366552, would you like me to book you a table? Sentence8: I think Chinese may have caught my attention. Question: Who has spoken the sentence 1? (A) User (B) System

Ex Output:
Answer: (B) System

Ex Input:
Sentence1: I need you to check again. Train from Ely to Cambridge. Sentence2: I'd like to leave Cambridge on Wednesday, please. Sentence3: Sounds great, what is the price and arrival time? Sentence4: Thank you for contacting us and have a nice day. Sentence5: What day would you like to travel? Sentence6: Yes, there will be 4 of us on Wednesday at 11:00. Please book. Sentence7: I recommend cotto. It has British cuisine. Would you like reservations? Sentence8: OK, the earliest train after 08:15 is the 09:50 to Cambridge. It's a quick, 17-minute trip. Would you like to book seats? Sentence9: Awesome, thanks for all your help! Good day Sentence10: I have made those reservations and your reference number is KOSM5AJ9 . Sentence11: Type of food doesn't matter, what would you prefer? Sentence12: There are no trains on Wednesday. Sentence13: Thanks! I'm also looking for someplace to eat in the center of town. Something in the moderate price range. Sentence14: I need a train to Ely after 08:15, please. Sentence15: What type of food would you like to eat? Sentence16: It will cost you 4.40 pounds and it arrives by 10:07. Question: Who has spoken the sentence 6? (A) User (B) System

Ex Output:
Answer: (A) User