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 ":".
The
value
of
the
donation
was
estimated
to
be
worth
about
$
250,000
.
The:O
value:O
of:O
the:O
donation:O
was:O
estimated:O
to:O
be:O
worth:O
about:O
$:O
250,000:O
.:O