#include<iostream>

 #include<cstdio>

 #include<cstring>

 #include<cstdlib>

 #include<ctime>

 #include<cmath>

 #include<algorithm>

 using namespace std;

 typedef long long ll;

 #define MAXN 10010

 ll T,n,m,flag,a[MAXN];

 inline ll read()

 {

     ll x=,f=;  char ch=getchar();

     while(!isdigit(ch))  {if(ch=='-')  f=-;  ch=getchar();}

     while(isdigit(ch))  {x=x*+ch-'';  ch=getchar();}

     return x*f;

 }

 void guess()

 {

     ll temp=;

     for(ll i=(1ll<<),j;i;i>>=)

     {

         for(j=temp+;j<=n;j++)  if(a[j]&i)  break;

         if(j>n)  continue;

         swap(a[++temp],a[j]);

         for(ll j=;j<=n;j++)  if(j!=temp&&(a[j]&i))  a[j]^=a[temp];

     }

     flag=(temp!=n);

     n=temp;

 }

 ll ask(ll x)

 {

     x-=flag;  ll ans=;

     if(!x)  return ;

     for(int i=n;i;i--)  {if(x&)  ans^=a[i];  x>>=;}

     if(x)  return -;

     return ans;

 }

 int main()

 {

     //freopen("cin.in","r",stdin);

     //freopen("cout.out","w",stdout);

     T=read();

     for(int CASE=;CASE<=T;CASE++)

     {

         printf("Case #%d:\n",CASE);

         n=read();

         for(int i=;i<=n;i++)  a[i]=read();

         guess();

         m=read();

         for(int i=;i<=m;i++)  {ll x=read();  printf("%I64d\n",ask(x));}

     }

     return ;

 }

 #include<iostream>

 #include<cstdio>

 #include<ctime>

 #include<cstdlib>

 using namespace std;

 int main()

 {

     freopen("cin.in","w",stdout);

     srand(time(NULL));

     int T=;

     printf("%d\n",T);

     while(T--)

     {

         int n=;  printf("%d\n",n);

         for(int i=;i<=n;i++)  printf("%I64d ",(long long)rand()*rand()*rand());

         int m=;  printf("\n%d\n",m);

         for(int i=;i<=m;i++)  printf("%d ",rand()%n+);

         printf("\n");

     }

     return ;

 }