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