Add 'sweep porch' to Cathy's weekly chore list reminder.
[IN:UPDATE_REMINDER_TODO Add ' [SL:TODO_NEW sweep porch ] ' to [SL:PERSON_REMINDED Cathy ] 's [SL:RECURRING_DATE_TIME [IN:GET_RECURRING_DATE_TIME [SL:FREQUENCY weekly ] ] ] [SL:TODO chore list ] reminder . ]