With no explanation, label each line with "O", "person-scholar", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
In
1982
Marshall
and
Warren
obtained
funding
for
one
year
of
research
.
In:O
1982:O
Marshall:person-scholar
and:O
Warren:person-scholar
obtained:O
funding:O
for:O
one:O
year:O
of:O
research:O
.:O