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 ":".
Phenomenological
equations
are
derived
for
electromagnetic
field
in
the
gain
medium
,
i.e
.
Phenomenological:O
equations:O
are:O
derived:O
for:O
electromagnetic:O
field:O
in:O
the:O
gain:O
medium:O
,:O
i.e:O
.:O