#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <ctype.h>

#define MAXN 2500000

#define max(a,b) ((a) > (b) ? (a) : (b))

int nw;
long long weights[MAXN];

int cmp(const void *a1, const void *b1)
{
	long long a = *((long long *) a1);
	long long b = *((long long *) b1);
	if ( a<b ) return -1;
	if ( a>b ) return 1;
	return 0;
}

int read(int level)
{
	char c = getc(stdin);
	long long w;
	
	if ( c=='[' ) {
		read(level+1);
		c = getc(stdin);
		if ( c!=',' ) return 0;
		read(level+1);
		c = getc(stdin);
		if ( c!=']' ) return 0;
	} else {
		ungetc(c,stdin);
		scanf("%lld",&w);
		weights[nw++] = w*(1<<level);
	}

	return 1;
}

int read_old(int level)
{
	char c;
	long long w;

	do { c = getc(stdin); } while ( isspace(c) );
	
	if ( c=='B' ) {
		read(level+1);
		read(level+1);
	} else if ( c=='W' ) {
		scanf("%lld",&w);
		weights[nw++] = w*(1<<level);
	} else return 0;

	return 1;
}

int main()
{
	int run, nruns;
	int best, curr, i;
	
	scanf("%d\n",&nruns);

	for(run=0; run<nruns; run++) {
		
		nw = 0;
		if ( ! read(0) ) return 1;
		scanf("\n");

		qsort(weights,nw,sizeof(long long),cmp);

		best = 0;
		curr = 1;
		for(i=1; i<nw; i++) {
			if ( weights[i]==weights[i-1] ) {
				curr++;
			} else {
				best = max(best,curr);
				curr = 1;
			}
		}
		best = max(best,curr);

		printf("%d\n",nw-best);
	}
	
	return 0;
}