iiitv/ChefLib

// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// ~~~~~~~© Aashutosh Rathi~~~~~~
// ~~~~~~~~aashutosh001~~~~~~~~~~
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#include <bits/stdc++.h>
#include <stdio.h>
#include <string>

using namespace std;

#define mod(x)            x%1000000007;
#define MIN( n1, n2 )    ((n1) > (n2) ? (n2) : (n1))
#define MAX( n1, n2 )    ((n1) > (n2) ? (n1) : (n2))
#define MID(s,e)        (s+(e-s)/2)
#define FOR(i,a,b)        for(int i=(a);i<=(b);i++)
#define FORD(i,a,b)     for(int i=(a);i>=(b);i--)
#define show(a)            for(i=0;i<a.size();i++) cout<<a[i]<<" ";
#define get(a)            for(i=0;i<a.size();i++) cin>>a[i];
#define p printf
#define scanint(a)        scanf("%d",&a)
#define scanLLD(a)        scanf("%lld",&a)
#define scanstr(s)        scanf("%s",s)
#define scanline(l)     scanf(" %[^\n]",l);

typedef long int BIG;
typedef long long PAPA;

int main()
{
    std::ios_base::sync_with_stdio(false);
    int t;
    scanint(t);
    while(t--) {
        int res = 0;
        char s11[200], s12[200], s13[200], s14[200], s21[200], s22[200], s23[200], s24[200];
        cin >> s11 >> s12 >> s13 >> s14 >> s21 >> s22 >> s23 >> s24;
        if(strcmp(s11,s21)==0) res++;
        if(strcmp(s11,s22)==0) res++;
        if(strcmp(s11,s23)==0) res++;
        if(strcmp(s11,s24)==0) res++;
        if(strcmp(s12,s21)==0) res++;
        if(strcmp(s12,s22)==0) res++;
        if(strcmp(s12,s23)==0) res++;
        if(strcmp(s12,s24)==0) res++;
        if(strcmp(s13,s21)==0) res++;
        if(strcmp(s13,s22)==0) res++;
        if(strcmp(s13,s23)==0) res++;
        if(strcmp(s13,s24)==0) res++;
        if(strcmp(s14,s21)==0) res++;
        if(strcmp(s14,s23)==0) res++;
        if(strcmp(s14,s22)==0) res++;
        if(strcmp(s14,s24)==0) res++;
        if(res>=2) printf("similar\n");
        else printf("dissimilar\n");
    }
    return 0;
}