With no explanation, label each line with "location-GPE", "O", "event-sportsevent", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Beach
volleyball
has
increasingly
become
popular
in
the
United
States
,
in
part
due
to
media
exposure
during
the
Olympic
Games
.
Beach:O
volleyball:O
has:O
increasingly:O
become:O
popular:O
in:O
the:O
United:location-GPE
States:location-GPE
,:O
in:O
part:O
due:O
to:O
media:O
exposure:O
during:O
the:O
Olympic:event-sportsevent
Games:event-sportsevent
.:O