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: I'll be visiting Cambridge soon and would like some information on Hughes Hall. Sentence2: Perfect! I am also looking for a train to Kings Lynn leaving after 10:00 Sentence3: Thank you! Sentence4: Booking was successful, the total fee is 68.6 GBP payable at the station . Reference number is : RWVC9XY8 . Sentence5: No. Thanks for all your help. Bye! Sentence6: TR7548 leaves for Kings Lynn at 10:11 and arrives by 10:58. Will that work for you? Sentence7: Yes. Can you book 7 tickets please? Sentence8: It is a college located in the centre of town. Sentence9: Thank you for using this service goodbye Sentence10: Can you give me the area, address, and entrance fee, please? Sentence11: I have 98 trains to kings lynn leaving after 10:00. Do you have a more specific time frame? Sentence12: it is located in wollaston road,cb12ew. entry is free and is in the centre. Sentence13: is there anything else i can help with ? Sentence14: i'm leaving on a tuesday Question: Who has spoken the sentence 8? (A) User (B) System
Answer: (A) User