With no explanation, label each line with "O", "other-astronomything", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
These
are
the
blue
stragglers
HD
162586
and
V957
Scorpii
.
These:O
are:O
the:O
blue:O
stragglers:O
HD:other-astronomything
162586:other-astronomything
and:O
V957:other-astronomything
Scorpii:other-astronomything
.:O