    #include <cstdio>
    #include <cstdlib>
    #include <cstring>
    #include <iostream>
    #include <vector>
    #include <string>
    #include <algorithm>
    #include <stack>
    #include <queue>
    #include <set>
    #include <map>
    using namespace std;
    #define MOD @
    #define ADD(X,Y) ((X) = ((X) + (Y)%MOD) % MOD)
    typedef long long i64; typedef vector<int> ivec; typedef vector<string> svec;
     
    char S[505050];
    int N, Q;
    int L[101010], R[101010];
    int dp[505050][27];
     
    /*
    int uf[505050];
     
    int root(int p)
    {
    	return uf[p] < 0 ? p : (uf[p] = root(uf[p]));
    }
    void join(int p, int q)
    {
    	p = root(p);
    	q = root(q);
    	if (p != q) {
    		uf[p] += uf[q];
    		uf[q] = p;
    	}
    }
    */
    vector<int> ch[505050];
    int lf[505050], rg[505050];
    int idx;
     
    void visit(int p)
    {
    	if (lf[p] != -1) return;
    	lf[p] = idx++;
    	for (int q : ch[p]) visit(q);
    	rg[p] = idx;
    }
     
    int main()
    {
    	scanf("%s%d", S, &Q);
    	N = strlen(S);
    	for (int i = 0; i < Q; ++i) {
    		scanf("%d%d", L + i, R + i);
    		--L[i];
    	}
    	for (int i = N - 1; i >= 0; --i) {
    		for (int j = 0; j <= 26; ++j) {
    			dp[i][j] = N + 10;
    		}
    		dp[i][S[i] - 'a'] = i + 1;
    		for (int j = 1; j <= 26; ++j) {
    			if (dp[i][j - 1] < N) {
    				int ij = dp[i][j - 1];
    				dp[i][j] = min(dp[i][j], dp[ij][j - 1]);
    			}
    		}
    		if (dp[i][26] < N) {
    			int i26 = dp[i][26];
    			for (int j = 0; j <= 26; ++j) {
    				/*
    				if (j > 0 && dp[i][j - 1] < N) {
    					int ij = dp[i][j - 1];
    					dp[i][j] = min(dp[i][j], dp[ij][j - 1]);
    				}
    				*/
    				if (dp[i26][j] <= N) {
    					dp[i][j] = min(dp[i][j], dp[i26][j]);
    				}
    			}
    		}
    	}
    //	for (int i = 0; i < N; ++i) printf("%d: %d\n", i, dp[i][26]);
    	for (int i = 0; i < N; ++i) if (dp[i][26] <= N) {
    		ch[dp[i][26]].push_back(i);
    	}
    	idx = 0;
    	for (int i = 0; i <= N; ++i) lf[i] = -1;
    	for (int i = N; i >= 0; --i) visit(i);
     
    	for (int i = 0; i < Q; ++i) {
    		int l = L[i], r = R[i];
    		bool isok = lf[r] <= lf[l] && rg[l] <= rg[r];
    		puts(isok ? "Yes" : "No");
    	}
    	return 0;
    }