PERSON: individual human or group of humans
References to single individual humans as well as groups of humans are
annotated as PERSON.
Example:
Barack Obama is president.
T1 PERSON 0 12 Barack Obama
(This is an example entry in the entity collection. You can find the
source of this document in the _entity/ directory, file person.md.
To add new entries like this, simply add new .md files into the
_entity/ directory.)