With no explanation, label each line with "O", "person-artist/author", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
In
1985
Georges
married
artist
Caroline
Williams
when
their
son
,
Sam
,
was
born
.
In:O
1985:O
Georges:person-artist/author
married:O
artist:O
Caroline:person-artist/author
Williams:person-artist/author
when:O
their:O
son:O
,:O
Sam:person-other
,:O
was:O
born:O
.:O