In the distributed spanning tree algorithm, suppose the best configuration message stored by bridge B$7$ for its port $1$ is at this moment, where the format of the configuration message is defined by $q,q,$ configuration message$>.$ Which one $of$ the following configuration $q,$ messages, $if$ received $byB7$ from its port $1,$ should $be$ considered $byB7as$ a better message than its current best configuration message $?$