Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: Thanks for letting Cambridge TownInfo centre assist with your trip! Have a great one. Sentence2: Yes, can I get the postcode? Sentence3: Certainly. They are in postcode cb15dh. Can I assist you with something else? Sentence4: i am visiting cambridge and want to go to a theater in the east side. Sentence5: Great, thank you that was all I needed today! Sentence6: I'm sorry, there aren't any theatres on the east side, but there are several in the centre and one on the south side. Sentence7: Thanks. Can you help me find a restaurant called pizza hut city centre? I want to book it for 2 people this wednesday at 18:00. And I'll need a reference number Sentence8: Booked. The table will be reserved for 15 minutes. Reference number: 3BOBENIO . Sentence9: We have four options, but i recommend the gallery at twelve a high street, would you like more information? Sentence10: Maybe a museum then? Question: Who has spoken the sentence 5? (A) User (B) System
Output:
Answer: (B) System