+ new Tree(null, "!::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+ new Tree(null, "s", new Tree[] { })})}),
+ new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "**", new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { })})})})})})})})})})}),
+ new Tree(null, "::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "g", new Tree[] { }),
+ new Tree(null, "r", new Tree[] { }),
+ new Tree(null, "a", new Tree[] { }),
+ new Tree(null, "m", new Tree[] { }),
+ new Tree(null, "m", new Tree[] { }),
+ new Tree(null, "a", new Tree[] { }),
+ new Tree(null, "r", new Tree[] { })})}),
+ new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "+/", new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "R", new Tree[] { })})})}),
+ new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
+ new Tree(null, "s", new Tree[] { })})})})})}),
+ new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "g", new Tree[] { }),
+ new Tree(null, "r", new Tree[] { }),
+ new Tree(null, "a", new Tree[] { }),
+ new Tree(null, "m", new Tree[] { }),
+ new Tree(null, "m", new Tree[] { }),
+ new Tree(null, "a", new Tree[] { }),
+ new Tree(null, "r", new Tree[] { })})})})})})})}),