Please set a reminder to make a dental appointment every 4 months for a cleaning.
[IN:CREATE_REMINDER Please set a reminder to [SL:TODO [IN:GET_TODO [SL:TODO make a dental appointment ] [SL:RECURRING_DATE_TIME [IN:GET_RECURRING_DATE_TIME [SL:FREQUENCY every 4 months ] ] ] [SL:TODO for a cleaning ] ] ] . ]