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 ":".
Flow
is
controlled
by
a
1.83
x
2.13
m
regulating
gate
such
that
a
maximum
of
20
cumecs
is
allowed
.
Flow:O
is:O
controlled:O
by:O
a:O
1.83:O
x:O
2.13:O
m:O
regulating:O
gate:O
such:O
that:O
a:O
maximum:O
of:O
20:O
cumecs:O
is:O
allowed:O
.:O