add Brad to the party reminder for mom and dad
[IN:UPDATE_REMINDER add [SL:PERSON_REMINDED_ADDED Brad ] to the [SL:TODO party ] reminder for [SL:PERSON_REMINDED [IN:GET_CONTACT [SL:TYPE_RELATION mom ] ] ] and [SL:PERSON_REMINDED [IN:GET_CONTACT [SL:TYPE_RELATION dad ] ] ] ]