With no explanation, label each line with "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
This
explains
why
Adam
Klaus
is
missing
in
episodes
2–5
of
series
1
.
This:O
explains:O
why:O
Adam:person-other
Klaus:person-other
is:O
missing:O
in:O
episodes:O
2–5:O
of:O
series:O
1:O
.:O