Which one of the following phenols does not give colour when condensed with phthalic anhydride in presence of conc.${\mathrm{H}}_2{\mathrm{SO}}_4?$

As phthalic anhydride being bulky, electrophilic substitution reaction occurs at para position in phenol or its derivatives

P-Blocked phenols, Does not condense with phthalic anhydride because para position is blocked