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In BDL, the equal sign is also the comparison operator. (Yes, this is based on an actual programming language!) A comparison is surrounded by parentheses. For example, in the statement i = (j = k) the value of i is set to either true or false depending on whether j is equal or not equal to k. Modify the grammar from the previous question to support the comparison operator. HINT: You can add or remove rules. Look carefully at line 7.

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