With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
It
can
carry
60
rounds
on
board
.
It:O
can:O
carry:O
60:O
rounds:O
on:O
board:O
.:O