Given the task definition and input, reply with output. You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: Can you give me some information on trinity college please? Sentence2: only 17 mins and 4.4 GBP payable at the station Sentence3: I'm not sure. Would you like me to give you the phone number? They might have more information on that. Sentence4: Can you tell me what time you want to leave or arrive by? Sentence5: Sure thing! Trinity College is located on Trinity Street in Centre with a postcode of cb21tq. Would you like more information today? Sentence6: That sounds good. What's the travel time and price for that one? Sentence7: Yes, again. That is all I need. Thanks. Sentence8: Okay! How about the 9:50 train? That's the latest one, and it arrives at 10:07. Sentence9: Great! Thanks! Is that just a college or is there any other type of attraction there? Sentence10: Thank you so much. That's all I need today. Sentence11: Thank you for using our services. Have we met all of your needs today? Sentence12: I am leaving from Cambridge and will be traveling Wednesday. Sentence13: Where will you travel from? Sentence14: Yes, can you please get that for me. Thank you Sentence15: The phone number for Trinity College is 01223338400. Can I help you with anything else? Sentence16: Thank you for calling Cambridge TownInfo centre! It's been a pleasure to help you explore our city today! Sentence17: I need to be there by 11:15. Sentence18: I also need a train to Ely. Question: Who has spoken the sentence 14? (A) User (B) System
Answer: (A) User