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: Parkside Pools is located at Gonville Place. I do not have the entrance fee available, but the phone number is 01223446100 and the postcode is cb11ly Sentence2: We currently do not show any locations that fit that criteria. Would like me to look in a different area? Sentence3: Enjoy your trip! Sentence4: Yes, please book for 1 person the train that departs at 17:50. Sentence5: I am also looking for a train leaving friday. Sentence6: You're welcome. Is there anything else I can help you with today? Sentence7: That's everything I needed, thank you very much for your time! Sentence8: I am looking to depart cambridge, head to ely, and arrive by 18:30 Sentence9: Thank you for all your help. Sentence10: No, How about a swimming pool in that area? Sentence11: Thank you for the phone number. Thanks for the help! Sentence12: Alright, there are seven trains that meet that requirement, starting at 5:50 and running once an hour every hour until 17:50. Would you like me to book any of these trips? Sentence13: Booking was successful for TR9933, the total fee is 4.4 GBP payable at the station. Reference number is : P4U5T2N6 . Sentence14: Is there anything else I can help you with today? Sentence15: I'm looking for a multiple sports attraction in the area of center. Sentence16: There are 404 trains that day, what destinations do you need? Question: Who has spoken the sentence 5? (A) User (B) System
A:
Answer: (B) System