With no explanation, label each line with "location-GPE", "O", "product-ship", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
Van
Zeist
conducted
important
research
in
Europe
on
the
oldest
recovered
canoe
in
the
world
,
the
Pesse
canoe
found
in
the
Netherlands
.
Van:person-other
Zeist:person-other
conducted:O
important:O
research:O
in:O
Europe:location-GPE
on:O
the:O
oldest:O
recovered:O
canoe:O
in:O
the:O
world:O
,:O
the:O
Pesse:product-ship
canoe:product-ship
found:O
in:O
the:O
Netherlands:location-GPE
.:O