With no explanation, label each line with "location-GPE", "O", "building-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
American
roots
of
the
bridge
are
reflected
in
the
name
given
to
the
construction
camp
,
which
was
named
after
the
1883
Brooklyn
suspension
bridge
.
The:O
American:location-GPE
roots:O
of:O
the:O
bridge:O
are:O
reflected:O
in:O
the:O
name:O
given:O
to:O
the:O
construction:O
camp:O
,:O
which:O
was:O
named:O
after:O
the:O
1883:O
Brooklyn:building-other
suspension:building-other
bridge:building-other
.:O