Two moles of benzaldehyde and one mole of acetone under alkaline conditions using aqueous NaOH after heating gives x as the major product. The number…

Two moles of benzaldehyde and one mole of acetone under alkaline conditions using aqueous NaOH after heating gives $\displaystyle x$ as the major product. The number of $\displaystyle \pi$ bonds in the product $\displaystyle x$ is $\displaystyle \_\_\_\_$.