With no explanation, label each line with "O", "person-scholar", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Maxwell
's
equations
for
the
gain
medium
,
and
Poynting
'
s
theorem
for
these
equations
.
Maxwell:person-scholar
's:O
equations:O
for:O
the:O
gain:O
medium:O
,:O
and:O
Poynting:person-scholar
':person-scholar
s:O
theorem:O
for:O
these:O
equations:O
.:O