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 ":".
In
January
2011
Mohamed
Barakat
was
appointed
editor-in-chief
,
replacing
Mohamed
Mahdy
Fadly
in
the
post
.
In:O
January:O
2011:O
Mohamed:person-artist/author
Barakat:person-artist/author
was:O
appointed:O
editor-in-chief:O
,:O
replacing:O
Mohamed:person-artist/author
Mahdy:person-artist/author
Fadly:person-artist/author
in:O
the:O
post:O
.:O