`include "./child/child.sim.v"

module PARENT (
  input  wire I0,
  input  wire I1,
  output wire O0,
  output wire O1
);

  CHILD child (
  .I(I0),
  .O(O0)
  );

  // An direct connection from an input to the output pins.
  assign O1 = I1;

endmodule