n the below pseudo-code, we are using a stack of characters to determine whether a sequence of parentheses is balanced or not. For example, (()) is balanced and ()()) is unbalanced. What is true about the below pseudo-code? while (not the end of sequence){ read next input if ( the input is a `(` ) push it on the stack else if ( the input is a `)` and the stack is not empty) pop a character off the stack else print ”unbalanced” and exit } if (the top of the stack is '(') print "unbalanced" and exit print ”balanced” Select one: a. The pseudo-code is correct and it always gives correct result. b. The pseudo code is incorrect but it will give correct result for some sequences. c. The pseudo code only works correctly for unbalanced sequences. d. None of the above. e. The pseudo code is incorrect and it will give incorrect result for all non-empty sequences.

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