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 ":".
In
exchange
for
tax
benefits
,
the
easement
stipulated
that
``
no
major
changes
(
could
)
be
made
to
the
exterior
or
interior
,
in
perpetuity
.
''
In:O
exchange:O
for:O
tax:O
benefits:O
,:O
the:O
easement:O
stipulated:O
that:O
``:O
no:O
major:O
changes:O
(:O
could:O
):O
be:O
made:O
to:O
the:O
exterior:O
or:O
interior:O
,:O
in:O
perpetuity:O
.:O
'':O