Given the task definition and input, reply with output. You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: Ok, can you get me a taxi? Sentence2: Unfortunately we don't have any moderate priced hotel type hotels. Would you prefer a different type or price range. Sentence3: Could you tell me what time you would like to leave? Sentence4: Absolutely. Where would you want to depart from and go to? Sentence5: Happy to be of service, and thank you for using the Cambridge TownInfo centre. Enjoy your stay in Cambridge! Sentence6: I would like it to take me between my hotel and the college. Sentence7: I'm sorry, I am actually looking for the postcode of King's College. Could you provide that for me? Sentence8: How about an expensive one? Sentence9: Yes your contact number is 07585258044. Will there be anything else? Sentence10: there are 2 expensive hotels available Sentence11: Book one of them for two people, five nights, starting Wednesday. Sentence12: Okay, you are booked at the Huntington for 4 nights. Your reference number is WZRJ2C6L . Sentence13: Absolutely - King's College is located on King's Parade, postcode cb21st. Will you be needing anything else today? Sentence14: I'm sorry, but neither are available on those days. Would you like to try a different starting day or number of nights? Sentence15: Could you provide the contact number please? Sentence16: Certainly, would you like a specific area of town? Do you prefer a hotel or guesthouse? Sentence17: Yes im looking to book a taxi from Cambride TownInfo Centre to a fancy restraunt rated 5 Stars! Sentence18: No I think that's all I need. Thanks for your help! Sentence19: What time would you like the taxi? Sentence20: I have confirmed your taxi, a white bmw will pick you up. Sentence21: I am also looking for a place to stay that has a star of 4 and free parking. Sentence22: We could shorten the stay to just four nights, I guess. Sentence23: No preference on location but I would like a hotel. I would also like moderate pricing. Sentence24: I want to leave the hotel by 14:15. Question: Who has spoken the sentence 8? (A) User (B) System
Answer: (A) User