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

Example Input: Sentence1: Thank You good bye Sentence2: Yes. Kymmoy is an expensive restaurant serving asian oriental food in the centre part of town. Sentence3: Thank you. May I have their phone number? Sentence4: Their number is 01223 311911. Will that be all today? Sentence5: Yes, thank you. Sentence6: There is not matching places that fits your request. Can i help you with something else? Sentence7: Are there any Asian Oriental restaurants in that price range? Sentence8: I'd like to find an expensive restaurant that serves venetian food. Question: Who has spoken the sentence 7? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: I'm sorry the full address isn't listed would you like there postcode and phone number? Sentence2: They are on Wheeler street and phone is 01223357851 Sentence3: No but I also need a hotel called university arms hotel. Sentence4: It is a theatre located in the centre on wheeler street. Sentence5: Can you provide their full address please? Sentence6: I'd like to visit an attraction called the Cambridge Corn Exchange. What can you tell me about it? Sentence7: I was able to find university arms hotel located at regent street. Would you like me to book a room for you? Sentence8: Before we do that, what type of attraction is the Cambridge Corn Exchange? I don't know too much about it. Question: Who has spoken the sentence 6? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: I would recommend Pipasha Restaurant. Sentence2: You're welcome, have a great day! Sentence3: Yes please and I need a confirmation number Sentence4: Thank you goodbye Sentence5: There is a train departing Cambridge for Norwich at 14:36 on Tuesday. Would you like me to book this? Sentence6: I would like to dine at a restaurant serving Indian food on the east side of town. Any suggestions? Sentence7: Okay there are four different restaurants. What is your price range? Sentence8: I also need to travel by train to Norwich, some time on Tuesday after 14:30. Sentence9: It has been booked! Reference number is BSJKVN2Y . Do you need anything else? Sentence10: Great, can you book me for 5 people at 11:45 on tuesday? Sentence11: Booking was successful. The table will be reserved for 15 minutes. Reference number is : MLAA1D4V . anything else i can help you with today? Sentence12: Price does not matter. Question: Who has spoken the sentence 6? (A) User (B) System
Example Output:
Answer: (A) User