Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: Sure thing! I found a few hotels that you may be interested in. What area and how many nights do you need the hotel for? Sentence2: Are any of the guesthouses in the east? Sentence3: The autumn house is in the east what day would you like it for. Sentence4: I have one hotel available in the east and some guesthouses as well. Would you like me to book a room for you? Sentence5: I want it in the east area and I don't have have a length of stay. Sentence6: Hi there, can you help me with my trip planning? I am trying to find a good place to stay. Question: Who has spoken the sentence 5? (A) User (B) System
Output:
Answer: (B) System