vennjs issue

var sets = [
  {
    sets: [
      "SB4"
    ],
    label : 'SB4',
    size: 1
  },
  {
    sets: [
      "Sbx"
    ],
    label : 'Sbx',
    size: 2
  },
  {
    sets: [
      "Sbx",
      "SB4"
    ],
    size: 1
  },
  {
    sets: [
      "Git"
    ],
    label : 'Git',
    size: 1
  },
  {
    sets: [
      "Git",
      "SB4"
    ],
    size: 1
  },
  {
    sets: [
      "Git",
      "Sbx"
    ],
    size: 1
  },
  {
    sets: [
      "Git",
      "Sbx",
      "SB4"
    ],
    size: 1
  },
  {
    sets: [
      "ITOps"
    ],
    label : 'ITOps',
    size: 1
  },
  {
    sets: [
      "The Editor"
    ],
    label : 'The Editor',
    size: 1
  },
  {
    sets: [
      "Sbx",
      "The Editor"
    ],
    size: 1
  },
  {
    sets: [
      "Search"
    ],
    label : 'Search',
    size: 1
  },
  {
    sets: [
      "Search",
      "The Editor"
    ],
    size: 1
  },
  {
    sets: [
      "Search",
      "Sbx"
    ],
    size: 1
  },
  {
    sets: [
      "Search",
      "Sbx",
      "The Editor"
    ],
    size: 1
  }
];