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 would like a thai restaurant then. Sentence2: The address for Bangkok city is 24 Green Street City Centr, and the phone number is 01223 354382 . Is there anything else I can help you with? Sentence3: What is the address and phone number? Sentence4: There are no restaurants serving Persian food in the Centre part of town. Sentence5: I see several options for Thai food in the city centre. Would you like to narrow them down by price? Sentence6: Have a nice day! Sentence7: bangkok city is the only result and it is expensive. Sentence8: I want to find a restaurant in the centre part of town and serves persian food. Sentence9: Thank you, goodbye Sentence10: Yes please. Like to hear least to most expensive first. Question: Who has spoken the sentence 2? (A) User (B) System
Answer: (A) User