With no explanation, label each line with "O", "person-athlete", "organization-sportsteam", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
In
the
first
leg
,
Arsenal
were
awarded
a
penalty
after
24
minutes
,
which
Dixon
missed
.
In:O
the:O
first:O
leg:O
,:O
Arsenal:organization-sportsteam
were:O
awarded:O
a:O
penalty:O
after:O
24:O
minutes:O
,:O
which:O
Dixon:person-athlete
missed:O
.:O