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: You are welcome. Goodbye! Sentence2: Yes of course, it is located at 53-57 lensfield road. Would you like me to book you a reservation? Sentence3: Yes, they have free parking. The postcode is cb21en. Is there anything else you'd like to know about this hotel? Sentence4: No thank you. Could you give me the postcode and tell me if they have free parking? Sentence5: No, that's all I needed. Thanks! Bye! Sentence6: I'm looking for the Lensfield Hotel. Can you help me find it? Question: Who has spoken the sentence 2? (A) User (B) System
Answer: (A) User