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 ":".
The
other
two
are
East
Potomac
Park
Golf
Course
and
Langston
Golf
Course
.
The:O
other:O
two:O
are:O
East:building-sportsfacility
Potomac:building-sportsfacility
Park:building-sportsfacility
Golf:building-sportsfacility
Course:building-sportsfacility
and:O
Langston:building-sportsfacility
Golf:building-sportsfacility
Course:building-sportsfacility
.:O