Convert this context DFD into Level - 0 DFD

I need it either exploded or expanded. Using leveled and balanced technique. specifically where MPS new system is.
 

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Student Classical Piano Pieces Piano Pieces Schedule Lessons- -Text Messsage reminders- -Creates schedule Piano Teacher -Documents lesson log & attendance Volunteer Register as New user MPS New System Register Piano Teacher MPS Opperations office/staff Student Classical Piano Pieces Piano Pieces Schedule Lessons- -Text Messsage reminders- -Creates schedule Piano Teacher -Documents lesson log & attendance Volunteer Register as New user MPS New System Register Piano Teacher MPS Opperations office/staff