With no explanation, label each line with "O", "event-disaster", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Both
ships
carried
supplies
for
the
survivors
of
the
Great
Kantō
earthquake
in
1923
.
Both:O
ships:O
carried:O
supplies:O
for:O
the:O
survivors:O
of:O
the:O
Great:event-disaster
Kantō:event-disaster
earthquake:event-disaster
in:O
1923:O
.:O