With no explanation, label each line with "O", "art-other", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
He
is
probably
best
known
for
his
role
as
Galen
in
the
``
Babylon
5
``
spin-offs
'
,
``
Crusade
``
and
'
.
He:O
is:O
probably:O
best:O
known:O
for:O
his:O
role:O
as:O
Galen:person-other
in:O
the:O
``:O
Babylon:art-other
5:art-other
``:O
spin-offs:O
':O
,:O
``:O
Crusade:art-other
``:O
and:O
':O
.:O