With no explanation, label each line with "O", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
He
started
at
USPSA
and
the
International
Practical
Shooting
Confederation
when
he
was
twelve
years
old
.
He:O
started:O
at:O
USPSA:organization-other
and:O
the:O
International:organization-other
Practical:organization-other
Shooting:organization-other
Confederation:organization-other
when:O
he:O
was:O
twelve:O
years:O
old:O
.:O