With no explanation, label each line with "O", "building-sportsfacility", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
One
of
his
main
actions
as
athletic
director
was
to
oversee
the
construction
of
Michigan
Stadium
.
One:O
of:O
his:O
main:O
actions:O
as:O
athletic:O
director:O
was:O
to:O
oversee:O
the:O
construction:O
of:O
Michigan:building-sportsfacility
Stadium:building-sportsfacility
.:O