With no explanation, label each line with "O", "person-athlete", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
He
competed
against
Steve
Prefontaine
,
Frank
Shorter
,
Tony
Waldrop
,
Marty
Liquori
,
Filbert
Bayi
,
Wilson
Waigwa
,
John
Walker
,
Steve
Scott
,
Eamonn
Coghlan
,
Dick
Buerkle
,
and
several
other
top
tier
runners
of
the
era
,
besting
everyone
on
this
list
at
least
once
.
He:O
competed:O
against:O
Steve:person-athlete
Prefontaine:person-athlete
,:O
Frank:person-athlete
Shorter:person-athlete
,:O
Tony:person-athlete
Waldrop:person-athlete
,:O
Marty:person-athlete
Liquori:person-athlete
,:O
Filbert:person-athlete
Bayi:person-athlete
,:O
Wilson:person-athlete
Waigwa:person-athlete
,:O
John:person-athlete
Walker:person-athlete
,:O
Steve:person-athlete
Scott:person-athlete
,:O
Eamonn:person-athlete
Coghlan:person-athlete
,:O
Dick:person-athlete
Buerkle:person-athlete
,:O
and:O
several:O
other:O
top:O
tier:O
runners:O
of:O
the:O
era:O
,:O
besting:O
everyone:O
on:O
this:O
list:O
at:O
least:O
once:O
.:O