With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
He
was
responsible
for
mapping
the
topography
and
geology
of
the
region
,
while
the
expedition
assessed
the
area
for
major
gold
deposits
.
He:O
was:O
responsible:O
for:O
mapping:O
the:O
topography:O
and:O
geology:O
of:O
the:O
region:O
,:O
while:O
the:O
expedition:O
assessed:O
the:O
area:O
for:O
major:O
gold:O
deposits:O
.:O