Set up  a daily reminder for the boys to work on Khan Academy for a full hour
[IN:CREATE_REMINDER Set up a [SL:RECURRING_DATE_TIME [IN:GET_RECURRING_DATE_TIME [SL:FREQUENCY daily ] ] ] reminder for [SL:PERSON_REMINDED the boys ] to [SL:TODO [IN:GET_TODO [SL:TODO work on Khan Academy ] [SL:DATE_TIME for a full hour ] ] ] ]