Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: Alright, all I need the travel time and that should be all, thanks! Sentence2: I'm looking for a cheap hotel, please. Sentence3: The best match for your time is the train TR6517 which leaves at 11:35. Do you want me to book it for you? Sentence4: How about the Allenbell? Sentence5: Is this train going to Ely or departing Ely? I believe I made a mistake is saying going to Ely when I should be departing Ely arriving in Cambridge. Sentence6: I am looking for a hotel with a 4 star rating and free parking Sentence7: There are 8 hotels that meet your needs. Would you like to narrow it down by area? Sentence8: What type of hotel are you looking for? We have 19 with free parking and rated 4 star. Sentence9: The Allenbell is located at 517a coldham lane, and their postcode is cb13js. The phone number is 01223210353. Is there anything else I can do for you today? Sentence10: Doesn't matter where in Cambridge. Sentence11: Perfect! what's the phone number, postcode, and address for that place? Sentence12: That is departing ely and arriving in cambridge Sentence13: The travel time is 17 minutes. Thank you for allowing me to assist you! Sentence14: Yes, I need a train to Ely from Cambridge on Sunday, leaving at 11:30. Question: Who has spoken the sentence 5? (A) User (B) System
Output:
Answer: (B) System