With no explanation, label each line with "O", "person-scholar", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
This
is
in
line
with
Chávez
's
Socialism
of
the
21st
century
.
This:O
is:O
in:O
line:O
with:O
Chávez:person-scholar
's:O
Socialism:O
of:O
the:O
21st:O
century:O
.:O