module m1:
input T, W;
output V, Z;
       present T then
       	       signal L in
	       	      emit L;
	       	      emit V
	       end signal
       end present
||
	present W then emit Z end
end module

module run22:
input S, U;
output A, B;
signal L in
       emit L;
end signal;
run m1 [ signal S / T,
       	 	U / W,
		A / V,
		B / Z ];
run m1 [ signal S / T,
       	 	U / W,
		A / V,
		B / Z ];
end module