With no explanation, label each line with "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Sasha
soon
confessed
to
killing
Stu
in
self-defence
when
her
father
became
the
prime
suspect
.
Sasha:person-other
soon:O
confessed:O
to:O
killing:O
Stu:person-other
in:O
self-defence:O
when:O
her:O
father:O
became:O
the:O
prime:O
suspect:O
.:O