With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
It
would
appear
that
motor
racing
first
took
place
at
Gamston
on
7
August
1950
on
a
2-mile
track
.
It:O
would:O
appear:O
that:O
motor:O
racing:O
first:O
took:O
place:O
at:O
Gamston:location-GPE
on:O
7:O
August:O
1950:O
on:O
a:O
2-mile:O
track:O
.:O