import sys
sys.stdin.readline
tc = int(input())
for _ in range(tc):
n, k = map(int, input().split())
ar = list(map(int, input().split()))
ans= 0
l = 0
r = 0
sum = k
maxd = 0
resL = -1
resr = -1
while r <= len(ar) - 1:
sum += ar[r]
if sum < 0:
r += 1
while l < r and sum < 0:
sum -= ar[l]
l += 1
else:
dist = (r - l) + 1
if maxd < dist:
resL = l + 1
resr = r + 1
maxd = max(maxd, dist)
r += 1
if resL == -1:
print(-1)
else:
print(resL, resr)#include<bits/stdc++.h>
using namespace std;
#define F first
#define S second
#define EB emplace_back
#define MP make_pair
#define alli(o) (o).begin(), (o).end()
#define mset(m,v) memset(m,v,sizeof(m))
#define fr(i,n) for(lli i=0;i<(n);++i)
#define rep(i,a,b) for(lli i=a;i<=b;++i)
#define per(i,a,b) for(lli i=a;i>=b;i--)
#define remin(a,b) (a=min((a),(b)))
#define remax(a,b) (a=max((a),(b)))
#define sz(x) (lli)(x).size()
#define endl '\n'
typedef long long lli; typedef long double ld;
typedef pair<lli, lli> ii; typedef vector<lli> vi;
typedef vector<ii> vii; typedef vector<vi> graph;
long long MOD = 1000000007;
long double EPS = 1e-9;
#define inf 1000000000000000005
// long long MOD = 998244353;
#define sqrt(x) sqrtl(x)
//-----
lli inv(lli i) {if (i == 1) return 1; return (MOD - ((MOD / i) * inv(MOD % i)) % MOD) % MOD;}
lli MOD_mul(lli a, lli b) {a = a % MOD; b = b % MOD; return (((a * b) % MOD) + MOD) % MOD;}
lli MOD_add(lli a, lli b) {a = a % MOD; b = b % MOD; return (((a + b) % MOD) + MOD) % MOD;}
lli gcd(lli a, lli b) { if (b == 0) return a; return gcd(b, a % b);}
lli ceil_div(lli a, lli b) {return a % b == 0 ? a / b : a / b + 1;}
lli pwr(lli a, lli b) {a %= MOD; lli res = 1; while (b > 0) {if (b & 1) res = res * a % MOD; a = a * a % MOD; b >>= 1;} return res;}
// bool comparefn(pair<ld, lli> a, pair<ld, lli> b)
// {
// if (a.F == b.F) {
// return a.S <= b.S;
// }
// return a.F > b.F;
// }
//----------------
vector<int> d = { -1, 0, 1, 0, -1};
vector<char> di = {'U', 'R', 'D', 'L'};
// vector<vector<lli>> g;
vector<vector<lli>> f;
// vector<lli> vis;
vector<lli> dist;
vector<int> par;
vector<lli> v;
lli n, m, k;
lli x;
set<lli> all;
vector<lli> pre;
lli ok;
void solve() {
cin >> n >> x;
vi a(n);
fr(i, n) {
cin >> a[i];
}
lli len = 0;
ii ans = { -1, -1};
lli i = 0, st = 0;
while (i < n) {
x += a[i];
if (i - st + 1 > len && x >= 0) {
len = i - st + 1;
ans.F = st;
ans.S = i;
} else {
while (x < 0) {
x -= a[st];
st++;
}
if (i - st + 1 > len && x >= 0) {
len = i - st + 1;
ans.F = st;
ans.S = i;
}
}
i++;
}
if (len == 0) {
cout << -1 << endl;
} else {
cout << ans.F + 1LL << " " << ans.S + 1LL << endl;
}
}
int main() {
// #ifndef ONLINE_JUDGE
// freopen("input.txt", "r", stdin);
// freopen("output.txt", "w", stdout);
// #endif
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
cout << fixed;
cout << setprecision(15);
int t = 1;
cin >> t;
while (t--) {
solve();
}
return 0;
}
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