Remind me to pay my mortgage every month on the 1st of the month.
[IN:CREATE_REMINDER Remind [SL:PERSON_REMINDED me ] to [SL:TODO pay my mortgage ] [SL:RECURRING_DATE_TIME [IN:GET_RECURRING_DATE_TIME [SL:FREQUENCY every month ] [SL:DATE_TIME on the 1st of the month ] ] ] . ]