With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
These
can
be
dated
by
using
radionuclides
that
were
present
in
the
solar
nebula
(
e.g
.
These:O
can:O
be:O
dated:O
by:O
using:O
radionuclides:O
that:O
were:O
present:O
in:O
the:O
solar:O
nebula:O
(:O
e.g:O
.:O