You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: i can help you with that! what day are you traveling? Sentence2: Archway House is a moderately priced guesthouse in the north with a 4-star rating. They offer free Internet and parking. Would you like to make a reservation? Sentence3: I'm also looking for a train to get to cambridge. I'll be departing from leicester. Sentence4: Sure, I'd be happy to help with your request. To help narrow down the results, what area and price range are you looking for? Sentence5: Can you help me find a 4 star rated place to stay please? Sentence6: Can you book for seven people for three nights starting from Friday? Sentence7: Your reservations have been made. Your reference number is A16QWFWX . Is there anything else I can assist you with? Sentence8: Moderate price range. Something with 4 stars. Area doesn't really matter to me. Question: Who has spoken the sentence 3? (A) User (B) System
A:
Answer: (B) System