Mathematical Reasoning: JEE Main 2022 Mathematics question

The maximum number of compound propositions, out of p$\vee$r$\vee$s, p$\vee$r$\vee$$\sim$s, p$\vee$$\sim$q$\vee$s, $\sim$p$\vee$$\sim$r$\vee$s, $\sim$p$\vee$$\sim$r$\vee$$\sim$s, $\sim$p$\vee$q$\vee$$\sim$s, q$\vee$r$\vee$$\sim$s, q$\vee$$\sim$r$\vee$$\sim$s, $\sim$p$\vee$$\sim$q$\vee$$\sim$s that can be made simultaneously true by an assignment of the truth values to p, q, r and s, is equal to __________.