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: Thanks for using this system and enjoy your meal! Goodbye! Sentence2: I am looking for a cheap restaurant. Sentence3: The address is 4 - 6 Rose Crescent. Can I help you with anything else? Sentence4: What is the area? Sentence5: there are two spanish restaurants in total, what price range do you want ? Sentence6: can you please give me the address? Sentence7: Can you find me a cheap Spanish restaurant? Sentence8: la raza's area is in the centre part of town Sentence9: Thank you. Good bye Sentence10: la raza is a spanish restaurant, in the cheap price range and in the centre part of town. Question: Who has spoken the sentence 1? (A) User (B) System
Answer: (B) System