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 ":".
When
Josh
Walker
replaced
Malcolm
Christie
after
62
minutes
the
11
players
on
the
field
were
all
born
within
30
miles
of
Middlesbrough
and
all
graduates
of
the
club
's
academy
.
When:O
Josh:person-athlete
Walker:person-athlete
replaced:O
Malcolm:person-athlete
Christie:person-athlete
after:O
62:O
minutes:O
the:O
11:O
players:O
on:O
the:O
field:O
were:O
all:O
born:O
within:O
30:O
miles:O
of:O
Middlesbrough:organization-sportsteam
and:O
all:O
graduates:O
of:O
the:O
club:O
's:O
academy:O
.:O