With no explanation, label each line with "building-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Some
similar
trees
were
lost
by
the
flooding
further
downstream
that
occurred
when
Kariba
Dam
was
finished
in
1956
.
Some:O
similar:O
trees:O
were:O
lost:O
by:O
the:O
flooding:O
further:O
downstream:O
that:O
occurred:O
when:O
Kariba:building-other
Dam:building-other
was:O
finished:O
in:O
1956:O
.:O