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

Sentence1: Well thank you for calling. Sentence2: I'll take the hotel. Please book for 2 people starting on monday for 4 nights. Sentence3: There are two 3 stars in that area. One is a guesthouse and the other is a hotel. Would you like for me to make a recommendation? Sentence4: The price is 10.10. Can I help you with anything else? Sentence5: Booking was successful. Reference number is : XURZLO9G . Can i help with anything else? Sentence6: i would prefer 3 stars. Sentence7: No thank you but I do need to know the price. Sentence8: What is your price range? What number of stars do you prefer? 3 or 4? Sentence9: Can you help me find a place to stay in the south? Sentence10: I will be travelling on Friday and want to arrive at Stansted Airport by 13:34. Sentence11: I am seeing several options for you. Do you have a preferred departure time? Sentence12: Is there a train from cambridge that arrives by 13:45? Sentence13: Thank you for your time that is all I needed today. Sentence14: I found several trains that meet your criteria. Would you like to narrow your search by picking a particular day or a certain destination? Sentence15: No, as long as it arrives before 13:45 on friday, it's fine. Sentence16: I would recommend TR0188 which arrives by 13:08. Would you like to book a ticket? Question: Who has spoken the sentence 3? (A) User (B) System
Answer: (B) System