With no explanation, label each line with "O", "person-artist/author", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
season
's
executive
producers
were
series
creator
Stephen
Hillenburg
and
Paul
Tibbitt
,
who
also
acted
as
the
series
'
showrunner
.
The:O
season:O
's:O
executive:O
producers:O
were:O
series:O
creator:O
Stephen:person-artist/author
Hillenburg:person-artist/author
and:O
Paul:person-artist/author
Tibbitt:person-artist/author
,:O
who:O
also:O
acted:O
as:O
the:O
series:O
':O
showrunner:O
.:O