With no explanation, label each line with "O", "other-biologything", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
best-characterised
of
the
influenzavirus
proteins
are
hemagglutinin
and
neuraminidase
,
two
large
glycoproteins
found
on
the
outside
of
the
viral
particles
.
The:O
best-characterised:O
of:O
the:O
influenzavirus:O
proteins:O
are:O
hemagglutinin:other-biologything
and:O
neuraminidase:other-biologything
,:O
two:O
large:O
glycoproteins:O
found:O
on:O
the:O
outside:O
of:O
the:O
viral:O
particles:O
.:O