If $A = \{3, 5\}$, $B = \{2, 4\}$ and $R$ is the relation "$x > y$", then $R =$

Pairing each element of $A$ with each element of $B$ and keeping only those where the first is greater than the second: $3>2$, $5>2$, and $5>4$ all hold, while fails. This gives .