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 ":".
It
originally
focused
on
indie
rock
—
notably
Evan
Olson
and
Los
Straitjackets
.
It:O
originally:O
focused:O
on:O
indie:O
rock:O
—:O
notably:O
Evan:person-artist/author
Olson:person-artist/author
and:O
Los:person-artist/author
Straitjackets:person-artist/author
.:O