Definition: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: What is its entrance fee, phone number and postcode? Sentence2: Great, thanks! That's all the help I need for today. Have a good night. Goodbye. Sentence3: What's the phone number? Sentence4: Okay, I have 10 trains that meet your criteria. Do you have a departure or arrival time? Sentence5: I also need to know where you are travelling to. Sentence6: cb23qf. What else would you like to know about the nightclub? Sentence7: TR0757 leaves at 09:29. Would that be of interest? There area also trains every two hours on the :29 until 23:29 Sentence8: The entrance fee is 4 pounds, phone number is 01223477900. Sentence9: I will be traveling on Monday and leaving from Bishops Stortford. Sentence10: I recommend Soul Tree Nightclub. It is located on 1-6 Corn Exchange Street and has a 4 pound entrance fee. Sentence11: What is the postcode to the Soul Tree Nightclub? This sounds like a fun place! Sentence12: Yes I can. First I need more information on the day and the time please Sentence13: Hi there. I have a business trip in Cambridge coming up and I have no idea what the train schedule might be. Would you be able to help with that? Sentence14: The phone number for soul tree is 01223477900 Sentence15: it should leave after 09:15 Sentence16: Feel free to call back again for any further questions. Have a great day. Sentence17: I am looking for a nightlclub located in the centre of town, might you suggest one? Sentence18: I'll be going to cambridge. Question: Who has spoken the sentence 1? (A) User (B) System
Output:
Answer: (B) System