With no explanation, label each line with "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
After
İsmet
İnönü
became
the
president
in
1938
he
proposed
another
system
for
opposition
.
After:O
İsmet:person-politician
İnönü:person-politician
became:O
the:O
president:O
in:O
1938:O
he:O
proposed:O
another:O
system:O
for:O
opposition:O
.:O