Aldehyde And Ketone

A carbonyl compound $X\left(\mathrm{C}_8 \mathrm{H}_8 \mathrm{O}\right)$ undergoes disproportionation with conc. KOH on heating. Product of $X$ with $\mathrm{Zn}-\mathrm{Hg} / \mathrm{HCl}$ is $Y$ and product of $X$ with $\mathrm{NaBH}_4$ is Z . What are $Y$ and Z respectively?