//Author:Leftist / Shunpower
//Rain Temperature & Cloud Moon
//May the force be with you and me.
#include <bits/stdc++.h>
#define fi first
#define se second
#define mp make_pair
#define pb emplace_back
#define ll long long
#define ull unsigned long long
#define inf INT_MAX
#define uinf INT_MIN
#define pii pair<int,int>
#define pll pair<ll,ll>
#define fr1(i,a,b) for(int i=a;i<=b;i++)
#define fr2(i,a,b) for(int i=a;i>=b;i--)
#define fv(i,p) for(int i=0;i<p.size();i++)
#define ld long double
#define il inline
#define ptc putchar
//Quickly power: ll d=qpow(b,p>>1,k);
//Segment Tree: Memory Limit Excceed
//Segment Tree: Modify()->Pushdown()
//Mod: +M, %M, define int ll
//Mod: Don't use 998244353 instead of 1e9+7 and so on
//Don't solve a problem for too long time.
using namespace std;
const int N=1e5+10;
namespace Shun{
    int lowbit(int x){
        return x&-x;
    }
    template <typename T>
    inline void read(T &x){
       T s=0,w=1;
       char ch=getchar();
       while(ch<'0'||ch>'9'){
            if(ch=='-'){
                w=-1;
            }
            ch=getchar();
        }
       while(ch>='0'&&ch<='9'){
            s=s*10+ch-'0';
            ch=getchar();
       }
       x=s*w;
    }
    template <typename T>
    inline void write(T x){
        if(x<0){
            putchar('-');
            x=-x;
        }
        if(x>9){
            write(x/10);
        }
        putchar(x%10+'0');
    }
}
using namespace Shun;
int tc;
string s;
int n;
/*
key observation: 四个挨在一起的括号就No
key observation: 两个挨在一起的非独立括号就No
如果只有这两个括号，那么非独立
如果往外两个括号
*/
int ind[N];
bool T(char c){
    return c=='['||c==']';
}
void solve(){
    cin>>s;
    s='@'+s;
    n=s.length()-1;
    int cnt=0;
    fr1(i,2,n){
        if(T(s[i])==T(s[i-1])) cnt++;
        // i++;
    }
    if(cnt<=2) cout<<"Yes\n";
    else cout<<"No\n";
}
// #define SHUN cute
int main(){
#ifdef SHUN
    freopen("sparrow.in","r",stdin);
    freopen("sparrow.out","w",stdout);
#endif
    ios::sync_with_stdio(false);
    cin>>tc;
    while(tc--) solve();
    return 0;
}
//ETERNAL LOVE FOR LY and SHUN.