With no explanation, label each line with "O", "other-language", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Masson
learned
German
and
studied
the
history
of
psychoanalysis
.
Masson:person-other
learned:O
German:other-language
and:O
studied:O
the:O
history:O
of:O
psychoanalysis:O
.:O