You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: I'm looking for a seafood restaurant in the moderate price range. Sentence2: Sorry, there are no moderately priced seafood restaurants. Can I help you find something else instead? Sentence3: What about Chinese? Sentence4: Thank you for contacting Cambridge TownInfo centre. Have a wonderful day! Sentence5: Thank you for your help. Have a great day! Sentence6: I have reserved a table for 4 at Jinling Noodle Bar, 11 Peas Hill in the city centre (Tel: 01223566188) on Friday at 18:15. The reference number is K9JAW7FT . Sentence7: Any one of them will be fine, if you could find one available for 4 people at 18:15 on friday please. Sentence8: There are 4 moderately priced Chinese restaurants in town. Is there a particular area you are wanting to eat in? Question: Who has spoken the sentence 3? (A) User (B) System
A:
Answer: (B) System