With no explanation, label each line with "O", "other-language", "person-scholar", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Schleicher
was
the
first
scholar
to
compose
a
text
in
PIE
.
Schleicher:person-scholar
was:O
the:O
first:O
scholar:O
to:O
compose:O
a:O
text:O
in:O
PIE:other-language
.:O