Detailed Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: There are 4 theatres in the centre of town. May I recommend ADC Theatre on Park Street? Sentence2: Sure may I have the address, postcode and phone number please? Sentence3: I'm interested in finding theatres in the centre, if any. Sentence4: There are a lot of trains departing cambridge throughout the day and night. What is your destination and what time would you like to arrive by? Sentence5: Awesome! Thanks! I will also be needing a train to leave Cambridge. Can you also help with that? Sentence6: The ADC Theatre is located on Park Street, postcode cb58as, and the phone number is 01223300085. Question: Who has spoken the sentence 3? (A) User (B) System
A:
Answer: (B) System