Which canonical form will have fewer terms for this logical function? $f(a,b)={\displaystyle \underset{?}{\overset{?}{}}}m(0)$

Sum$-$of$-$Products $($SOP$)$

Product$-$of$-$Sums $($POS$)$

Both the Sum$-$of$-$Products $($SOP$)$ and Product$-$of$-$Sums $($POS$)$ have the same number of terms.