(Program
{+(Identifier)+}
{+(MemberAccess
    (Identifier)
    (Identifier))+}
{+(Identifier)+}
{-(Call
    (Identifier)
    (TextElement)
    (Empty))-}
{-(Call
    (MemberAccess
      (Identifier)
      (Identifier))
    (Empty))-}
{-(Call
    (Identifier)
    (Integer)
    (Integer)
    (Empty))-}
{-(Call
    (Identifier)
    (Integer)
    (Integer)
    (Empty))-})