You went to the Army$$Navy football game to meet your friend Kurt, who attends the Naval Academy. Finding Kurt turns out to be somewhat of a problem because half of the people at the game are approximately six feet tall, with similar hair cuts, wearing naval academy uniforms $($including hats, which are called covers at the Naval Academy$).$ The difficulty you have in finding Kurt occurs because you cannot use $\_\_\_\_\_\_\_\_.$ ear$-$to$-$ear processing

head$-$to$-$toe processing

bottom$-$up processing

top$-$down processing