With no explanation, label each line with "O", "event-other", "other-currency", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
total
cost
of
the
Mariner
4
mission
is
estimated
at
$
83.2
million
.
The:O
total:O
cost:O
of:O
the:O
Mariner:event-other
4:event-other
mission:event-other
is:O
estimated:O
at:O
$:other-currency
83.2:O
million:O
.:O