With no explanation, label each line with "location-GPE", "O", "other-god", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
In
Welsh
mythology
,
Gofannon
killed
his
nephew
,
Dylan
Ail
Don
,
not
knowing
who
he
was
.
In:O
Welsh:location-GPE
mythology:O
,:O
Gofannon:other-god
killed:O
his:O
nephew:O
,:O
Dylan:other-god
Ail:other-god
Don:other-god
,:O
not:O
knowing:O
who:O
he:O
was:O
.:O