Multiple Address Groups

Hi There....

Considering the following LB rule, can I add a second address-group..??

Or do I need to add a second rule?

Thanks..!!

        rule 50 {
            action modify
            description "Do not load balance these Destination IPs and use NBN only"
            destination {
                group {
                    address-group NBN_DEST_IP_ONLY
                }
            }
            modify {
                lb-group DUAL_WAN_NBN
            }
        }