You will be given a definition of a task first, then some input of the task.
You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: The phone number for la tasca is 01223 464630 and they are located at 14 -16 Bridge Street. The postcode is C.B 2, 1 U.F. Sentence2: What's a good mid price restaurant? Sentence3: I would like Catalan food. Sentence4: Bye. Sentence5: La tasca serves Spanish food and is in the moderate price range. Sentence6: Could i have the address, phone number and postcode please? Sentence7: I'm sorry, there are no restaurants serving catalan food in your price range. Would you like to try something else? Sentence8: Is there a specific part of town or type of food you're interested in? Sentence9: thank you, goodbye Sentence10: Thank you, goodbye. Sentence11: Call us again! Goodbye. Sentence12: How about Spanish food? Question: Who has spoken the sentence 5? (A) User (B) System
Output:
Answer: (B) System