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

Sentence1: Is there anything else? Sentence2: Address and phone number for Royal Spice, yes please. Sentence3: Thank you, goodbye. Sentence4: I would like a cheap restaurant in the north part of town, please. Sentence5: Royal Spice is a cheap restaurant on the north side of town. Would you like their address? Sentence6: The phone number for royal spice is 01733 553355 and they are located at Victoria Avenue Chesterton. Can I help you with anything else? Sentence7: da vinci pizzeria is an italian restaraunt in the north part of town. Would you like their phone number or address? Sentence8: No, that's everything. Thank you. Goodbye. Sentence9: City Stop Restaurant is in the north part of town, and it is in the cheap price range. Sentence10: Is there anything else in the cheap price range on the north side of town? Question: Who has spoken the sentence 1? (A) User (B) System
Answer: (B) System