With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
Constant
monitoring
is
required
because
[
we
]
``
would
n't
be
sure
of
the
patient
's
tolerance
threshold
''
to
the
drug
and
there
should
be
a
crash
cart
at
hand
.
Constant:O
monitoring:O
is:O
required:O
because:O
[:O
we:O
]:O
``:O
would:O
n't:O
be:O
sure:O
of:O
the:O
patient:O
's:O
tolerance:O
threshold:O
'':O
to:O
the:O
drug:O
and:O
there:O
should:O
be:O
a:O
crash:O
cart:O
at:O
hand:O
.:O