With no explanation, label each line with "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Among
his
students
,
Michael
Psellos
was
to
be
the
most
important
.
Among:O
his:O
students:O
,:O
Michael:person-other
Psellos:person-other
was:O
to:O
be:O
the:O
most:O
important:O
.:O