Remind me to pick up Aleah from band practice at 3 PM; alert me 20 minutes before.
[IN:CREATE_REMINDER Remind [SL:PERSON_REMINDED me ] to [SL:TODO [IN:GET_TODO [SL:TODO pick up Aleah from band practice ] [SL:DATE_TIME at 3 PM ] ] ] ; alert me [SL:DATE_TIME 20 minutes before ] . ]