With no explanation, label each line with "O", "person-scholar", "organization-education", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
It
was
at
Grove
City
College
that
he
became
interested
in
economics
,
when
he
took
a
course
taught
by
Hans
Sennholz
,
and
there
that
he
developed
his
religious
convictions
.
It:O
was:O
at:O
Grove:organization-education
City:organization-education
College:organization-education
that:O
he:O
became:O
interested:O
in:O
economics:O
,:O
when:O
he:O
took:O
a:O
course:O
taught:O
by:O
Hans:person-scholar
Sennholz:person-scholar
,:O
and:O
there:O
that:O
he:O
developed:O
his:O
religious:O
convictions:O
.:O