(Program
({+(Import
    {+(Identifier)+}
    {+(Empty)+})+}(Import(Identifier)(Empty))
   {-(Import{-(ScopeResolution{-(Identifier)-})-}{-(Identifier)-})-})
{+(Import
    {+(ScopeResolution
      {+(Identifier)+}
      {+(Identifier)+})+}
    {+(Identifier)+})+}
{+(Import
    {+({+(Identifier)+}{+(Identifier)+}{+(Identifier)+})+}
    {+(Empty)+})+}
{-({-(Import{-(ScopeResolution{-(Identifier)-}{-(Identifier)-})-}{-(Identifier)-})-}
   {-(Import{-(Identifier)-}{-(Empty)-})-})-}
{-(Import{-({-(Identifier)-}{-(Identifier)-}{-(Identifier)-})-}{-(Empty)-})-})