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 ":".
Ne
Win
became
the
president
at
this
time
.
Ne:person-politician
Win:person-politician
became:O
the:O
president:O
at:O
this:O
time:O
.:O