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

Example Input: Sentence1: What is the address? Sentence2: Indian, Italian and British restaurants are available in the west part of town for a moderate price. Would you like more information on any or all of these? Sentence3: No, the west part of town Sentence4: I don't have a preference as long as it's moderately priced and in the west part of town. Sentence5: Meghna is an Indian restaurant, it is in the moderate price range, and it is in the west part of town. The address is 205 Victoria Road Chesterton. Sentence6: May I suggest curry prince, a moderately priced indian restaurant in the east? Sentence7: I would like a moderately priced restaurant in the east part of town Sentence8: Did you want the address for an Indian, Italian, or British restaurant? Question: Who has spoken the sentence 7? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: All I need to know is what time you would like your ride for and I can get that booked for you right away. Sentence2: There are 8 of us going. Sentence3: Vue Cinema is located in the centre, would you like the address and phone number? Sentence4: There's nothing more that I need. Thanks, bye! Sentence5: The entrance fee is not showing up on my computer, the address is The Grafton Centre, East Road. Is there anything else I can assist you with? Sentence6: What can you tell me about the hotel el shaddai? Sentence7: I want to leave at 12:30 from my hotel and go to the cinema. Please give me the car type and phone number Sentence8: The phone number is 08712240240. Sentence9: I just want the phone number and entrance fee please Sentence10: How many people will the taxi be for? Sentence11: Great, thank you. Could you also help me with booking a taxi to go from the hotel to the cinema? Sentence12: You are welcome enjoy. Sentence13: Yes, I am also looking for a good cinema to visit in the centre of town. Sentence14: The taxi will be a white toyota and the contact number is 07880526604. Is there anything else I can assist you with today? Sentence15: El Shaddai is a cheap guesthouse located in the centre that has free parking and internet. Would you like the phone number and address? Sentence16: I asked you for the phone number not the address. Sentence17: No but I would like to make a booking for 8 people and 2 nights starting from thursday. Sentence18: Ok, I have your guest house booked for 8 people, for 2 days, starting on Thursday.You reference number is JZ3CHA4K . Is there anything else you need? Question: Who has spoken the sentence 3? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Would you like to book a reservation at Pizza Express? Sentence2: What is the food type at Pizza Express? Sentence3: Okay, thank you. Sentence4: Alright. let me know if there is anything else I can help you with. Sentence5: It is italian food. Sentence6: No, thank you! Sentence7: Pizza Express Fen Ditton is in the moderate price range. Sentence8: Can you give me the price for a large pizza and what type of pizzas they offer at Pizza Express fen ditton please Sentence9: Would you like me to book it for you? Sentence10: What is the price range of Pizza Express? Question: Who has spoken the sentence 7? (A) User (B) System
Example Output:
Answer: (B) System