$VAR1 = [
          [
            '+',
            '',
            'before'
          ],
          [
            'u',
            'the',
            'the'
          ],
          [
            'u',
            'quick',
            'quick'
          ],
          [
            'c',
            'brown',
            'green'
          ],
          [
            'u',
            'fox',
            'fox'
          ]
        ];