With no explanation, label each line with "O", "product-ship", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Surveyor
3
and
Apollo
12
landed
near
its
northern
shore
.
Surveyor:product-ship
3:product-ship
and:O
Apollo:product-ship
12:product-ship
landed:O
near:O
its:O
northern:O
shore:O
.:O