With no explanation, label each line with "O", "person-athlete", "organization-sportsteam", "location-GPE", "event-sportsevent", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
This
was
the
first
time
Barnes
had
played
in
European
competitions
since
Watford
's
1983–84
UEFA
Cup
campaign
.
This:O
was:O
the:O
first:O
time:O
Barnes:person-athlete
had:O
played:O
in:O
European:location-GPE
competitions:O
since:O
Watford:organization-sportsteam
's:O
1983–84:O
UEFA:event-sportsevent
Cup:event-sportsevent
campaign:event-sportsevent
.:O