Choose all correct statements about association classes

An asscociation relation between objects A and $B$ cannot be used to represent another association between other objects C and D$.$

An asscociation relation between objects A and $B$ can also represent another association between other objects C and D$.$

Association classes cannot have attributes

An association classs keeps information for the relation of a pair of classes

For any pair of objects, there can be at least one association object

If there is an associat, on between A and B; then A cannot have association with D$.$

For any pair of objects, there can be at most one association object