With no explanation, label each line with "location-GPE", "O", "other-astronomything", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
A
crater
on
asteroid
253
Mathilde
is
named
after
Clackmannan
.
A:O
crater:O
on:O
asteroid:O
253:other-astronomything
Mathilde:other-astronomything
is:O
named:O
after:O
Clackmannan:location-GPE
.:O