With no explanation, label each line with "location-GPE", "O", "person-artist/author", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Shortly
after
the
war
ended
,
he
met
the
similarly
minded
Carl
Mayer
in
Berlin
,
who
suggested
he
work
as
an
author
.
Shortly:O
after:O
the:O
war:O
ended:O
,:O
he:O
met:O
the:O
similarly:O
minded:O
Carl:person-artist/author
Mayer:person-artist/author
in:O
Berlin:location-GPE
,:O
who:O
suggested:O
he:O
work:O
as:O
an:O
author:O
.:O