(Program
{+(MethodCall
    (Identifier)
    (StringLiteral))+}
{+(MethodCall
    (Identifier)
    (Identifier))+}
{+(MethodCall
    (Identifier)
    (IntegerLiteral)
    (IntegerLiteral))+}
{+(MethodCall
    (Identifier)
    (IntegerLiteral)
    (IntegerLiteral))+}
{-(Identifier)-}
{-(MemberAccess
    (Identifier)
    (Identifier))-}
{-(Identifier)-})