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

Sentence1: There are quite a few restaurants. What cuisine would you like? Sentence2: I will get back to you. Thank you for the help. Sentence3: Have a great day. Goodbye. Sentence4: I'm looking for somewhere to eat in the centre part of town, somewhere nice, price is no object. Sentence5: I would like the restaurant to have Indian food. Sentence6: How about Curry garden? It looks great. Sentence7: That sounds good. I would like to book a table for 2 people on Friday at 17:15. Sentence8: Sorry, the restaurant can't accomodate you. Want to try another day or time? Sentence9: You're welcome. I look forward to when you call us again. Sentence10: Okay, until then. Have a good one, goodbye. Question: Who has spoken the sentence 5? (A) User (B) System
Answer: (B) System