With no explanation, label each line with "location-GPE", "O", "person-other", "organization-education", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
As
an
undergraduate
student
at
UBC
,
MacDonald
spent
his
first
three
summers
on
a
survey
crew
in
Northern
British
Columbia
.
As:O
an:O
undergraduate:O
student:O
at:O
UBC:organization-education
,:O
MacDonald:person-other
spent:O
his:O
first:O
three:O
summers:O
on:O
a:O
survey:O
crew:O
in:O
Northern:location-GPE
British:location-GPE
Columbia:location-GPE
.:O