#include <string> 
#include "frau.h" 

class frau 
{ 
  public: 
    frau(std::string name) 
      : Name(name), Schwanger(false) 
    { 
    } 

    bool operator!() 
    { 
      Schwanger = true; 
      return Schwanger; 
    } 

  private: 
    std::string Name; 
    bool Schwanger; 
};