Remind John to feed the dog everyday at 6pm; alert him 15 minutes beforehand.
[IN:CREATE_REMINDER Remind [SL:PERSON_REMINDED John ] to [SL:TODO [IN:GET_TODO [SL:TODO feed the dog ] [SL:RECURRING_DATE_TIME [IN:GET_RECURRING_DATE_TIME [SL:FREQUENCY everyday ] [SL:DATE_TIME at 6 pm ] ] ] ] ] ; alert him [SL:DATE_TIME 15 minutes beforehand ] . ]