Requires:

"Gravity"
{
  "or": [
    "canWalljump",
    "canGravityJump",
    "canLongIBJ",
    {
      "and": [
        "HiJump",
        "canJumpIntoIBJ"
      ]
    },
    {
      "and": [
        "HiJump",
        "SpeedBooster"
      ]
    }
  ]
}