Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: I'd love to help! Which day were you wanting to leave? Sentence2: TR4813 leaves at 14:32 and arrive an hour later. How does that sound? Sentence3: What station do you want to leave from? Sentence4: You're welcome. Goodbye Sentence5: I'm leaving on Sunday Sentence6: i'm looking for a train to cambridge Sentence7: There are 13 colleges located in the centre. Are you looking for somewhere with free entrance or is somewhere with a fee okay too? Sentence8: Yes, I'd like to leave for cambridge after 13:30 on sunday. Sentence9: I have many trains on that day. Do you have a preferred time for leaving or arriving? Sentence10: Your booking was successful. The total fee is 100.24 GBP, which is payable at the station. Your reference number is ALFLIJMY . Is there anything else I can help you with? Sentence11: That sounds great. I'll need 7 tickets. Sentence12: I need a train from broxbourne. Sentence13: Yeah, can to tell me about colleges in the centre of town? Sentence14: That should be it for today thanks! Sentence15: Sure! I suggest Downing College. I is located on Regent Street in the postcode CB21DQ. Their phone number is 01223334860. Sentence16: it doesn't matter. could you provide the postcode, phone number, and address for one that you suggest? Question: Who has spoken the sentence 2? (A) User (B) System
Output:
Answer: (A) User