With no explanation, label each line with "product-airplane", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
primary
missions
of
the
MH-60R
are
anti-surface
and
anti-submarine
warfare
.
The:O
primary:O
missions:O
of:O
the:O
MH-60R:product-airplane
are:O
anti-surface:O
and:O
anti-submarine:O
warfare:O
.:O