Please send my sister Donna a reminder tomorrow about Keith's surgery on Wednesday
[IN:CREATE_REMINDER Please send [SL:PERSON_REMINDED [IN:GET_CONTACT [SL:CONTACT_RELATED my ] [SL:TYPE_RELATION sister ] [SL:CONTACT Donna ] ] ] a reminder [SL:DATE_TIME tomorrow ] about [SL:TODO [IN:GET_TODO [SL:TODO Keith 's surgery ] [SL:DATE_TIME on Wednesday ] ] ] ]