$VAR1 = {
          'well' => {
                      'well' => 1
                    },
          'International' => {
                               'International' => 1
                             },
          'conference' => {
                            'conference' => 2,
                            'conferences' => 1
                          },
          'preparation' => {
                             'preparation' => 2
                           }
        };

well freq: 1
International freq: 1
conference freq: 3
preparation freq: 2