With no explanation, label each line with "location-GPE", "building-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
approaches
to
the
Kate
Shelley
High
Bridge
near
Boone
,
Iowa
,
are
steel
trestles
.
The:O
approaches:O
to:O
the:O
Kate:building-other
Shelley:building-other
High:building-other
Bridge:building-other
near:O
Boone:location-GPE
,:O
Iowa:location-GPE
,:O
are:O
steel:O
trestles:O
.:O