With no explanation, label each line with "location-GPE", "O", "event-sportsevent", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
Chen
’
s
is
ambitious
:
In
his
opening
statement
he
said
he
would
resign
if
the
Chinese
women
’
s
sevens
team
did
not
qualify
for
the
Tokyo
Olympics
.
Chen:person-other
’:O
s:O
is:O
ambitious:O
::O
In:O
his:O
opening:O
statement:O
he:O
said:O
he:O
would:O
resign:O
if:O
the:O
Chinese:location-GPE
women:O
’:O
s:O
sevens:O
team:O
did:O
not:O
qualify:O
for:O
the:O
Tokyo:event-sportsevent
Olympics:event-sportsevent
.:O