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 ":".
It
consisted
of
E-1B
's
and
E-2A
's
.
It:O
consisted:O
of:O
E-1B:organization-other
's:O
and:O
E-2A:organization-other
's:O
.:O