Given the input $\{(2-5)/5\}$ in previous question, what which of the following best describes the resulting output

Returned TRUE $-$ all delimiters matched

Returned FALSE $-$ Unmatched open delimiter left on stack $-$ no matching close delimiter found

Returned FALSE $-$ Unmatched close delimiter left on stack $-$ no matching open delimiter found

Returned FALSE $-$ Unmatched open delimiter in input $-$ empty stack

Returned FALSE $-$ Unmatched closed delimiter in input $-$ empty stack

Returned FALSE $-$ open and close delimiters compared are not brothers