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

Sentence1: I have a lot to do there, any specific types of attractions you would prefer? Sentence2: The train departs from Broxbourne at 19:32 and travels for 60 minutes. The total would be 14.32 pounds. Sentence3: Okay. Enjoy your journey. Sentence4: That is all for today. Thank you. Sentence5: Yes, the entrance fee is 5 pounds, and they can be reached by phone at 07782218745, is there anything else that I can assist with? Sentence6: I am looking for something to do in Cambridge, can you help me find something? Sentence7: I would like to go to a nightclub. Sentence8: I also need a train that departs from Broxbourne and arrives by 21:00 on Saturday at Cambridge. Sentence9: May I have the phone and please tell me how much it costs to get in. Sentence10: What time does the train depart from Broxbourne, and how long is the travel time? Also, do you know how much it would be? Sentence11: There are 6 night clubs in the city centre. I would recommend club salsa which is located at 1 station road. Sentence12: Is there anything else I can help you with? Sentence13: Thank you for the information. Sentence14: TR4967 arrives by 20:32 , would you like me to book you passage? Question: Who has spoken the sentence 6? (A) User (B) System
Answer: (A) User