Phenyl magnesium bromide reacts with methanol to give

$\mathrm{Ph}-\mathrm{C}\equiv \mathrm{C}-{\mathrm{CH}}_3 \stackrel{{\mathrm{Hg}}^{2+}/{\mathrm{H}}^{+}}{\to } \mathrm{A}$

What would be the final product $\mathrm{A}$?