$[$NOTE: this exercise requires that you work through all variations to get credit.$]$

Assume that $s,t,u,w$ and x have the following values:

s $($string$)$: "evade"

t $($string$)$: $$

u $($string$)$ : $$

w $($string$)$ : "eva" $$

x $($string$)$ : $$

and that the following code will now be executed: