use warnings;
use Data::Dumper;

my @arr;
$arr[0][4] = (["S","M","R","B"]);

print Dumper @arr;

my ($VAR1,$VAR2,$VAR3,$VAR4) = @{$arr[0][4]}; 
print "Var1: $VAR1\tVar2: $VAR2\tVar3: $VAR3\tVar4: $VAR4\n";
Testing($arr[0][4]);

sub Testing () {
	my ($VAR5,$VAR6,$VAR7,$VAR8) = @{$_}; 
	print "Var5: $VAR5\tVar6:$VAR6\tVar7: $VAR7\tVar8: $VAR8\n";
}