With no explanation, label each line with "O", "event-attack/battle/war/militaryconflict", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
A
collaborator
of
Iuliu
Moldovan
,
he
taught
classes
at
the
latter
's
Institute
for
much
of
World
War
II
,
when
he
focused
on
studying
the
intelligence
of
various
body
types
.
A:O
collaborator:O
of:O
Iuliu:person-other
Moldovan:person-other
,:O
he:O
taught:O
classes:O
at:O
the:O
latter:O
's:O
Institute:O
for:O
much:O
of:O
World:event-attack/battle/war/militaryconflict
War:event-attack/battle/war/militaryconflict
II:event-attack/battle/war/militaryconflict
,:O
when:O
he:O
focused:O
on:O
studying:O
the:O
intelligence:O
of:O
various:O
body:O
types:O
.:O