(Statements
{+(SequenceExpression
  {+(Assignment
    {+(Identifier)+}
    {+(Float)+})+}
  {+(Assignment
    {+(Identifier)+}
    {+(Float)+})+})+}
{-(Assignment
  {-(Identifier)-}
  {-(Hash
    {-(KeyValue
      {-(Identifier)-}
      {-(SequenceExpression
        {-(Float)-}
        {-(SequenceExpression
          {-(Plus
            {-(Float)-}
            {-(Float)-})-}
          {-(Float)-})-})-})-})-})-})