remind mandy to leave at 11; alert her 30 mins before
[IN:CREATE_REMINDER [SL:PERSON_REMINDED mandy ] [SL:TODO [IN:GET_TODO [SL:TODO leave ] [SL:DATE_TIME at 11 ] ] ] [SL:DATE_TIME 30 mins before ] ]
remind mandy to leave at 11; alert her 30 mins before
[IN:CREATE_REMINDER [SL:PERSON_REMINDED mandy ] [SL:TODO [IN:GET_TODO [SL:TODO leave ] [SL:DATE_TIME at 11 ] ] ] [SL:DATE_TIME 30 mins before ] ]