With no explanation, label each line with "O", "organization-company", "organization-other", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
Heid
is
documented
as
being
one
of
the
first
researchers
to
attribute
the
Equifax
data
breach
to
a
vulnerability
in
Apache
Struts
2
within
the
first
hours
of
the
breach
announcement
.
Heid:person-other
is:O
documented:O
as:O
being:O
one:O
of:O
the:O
first:O
researchers:O
to:O
attribute:O
the:O
Equifax:organization-company
data:O
breach:O
to:O
a:O
vulnerability:O
in:O
Apache:organization-other
Struts:organization-other
2:organization-other
within:O
the:O
first:O
hours:O
of:O
the:O
breach:O
announcement:O
.:O