With no explanation, label each line with "product-airplane", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
ICE
flew
through
the
tail
;
its
minimum
distance
to
the
comet
nucleus
was
.
ICE:product-airplane
flew:O
through:O
the:O
tail:O
;:O
its:O
minimum:O
distance:O
to:O
the:O
comet:O
nucleus:O
was:O
.:O