// Om Namah Shivaya
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
template<typename T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
typedef long long int ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL)
#define pb push_back
#define endl '\n'
#define sz(a) a.size()
#define setbits(x) __builtin_popcountll(x)
#define ff first
#define ss second
#define conts continue
#define ceil2(x, y) ((x + y - 1) / (y))
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define yes cout << "Yes" << endl
#define no cout << "No" << endl
#define rep(i, n) for(int i = 0; i < n; ++i)
#define rep1(i, n) for(int i = 1; i <= n; ++i)
#define rev(i, s, e) for(int i = s; i >= e; --i)
#define trav(i, a) for(auto &i : a)
template<typename T>
void amin(T &a, T b) {
a = min(a, b);
}
template<typename T>
void amax(T &a, T b) {
a = max(a, b);
}
#ifdef LOCAL
#include "debug.h"
#else
#define debug(x) 42
#endif
/*
refs:
edi
https://github.com/farmerboy95/CompetitiveProgramming/blob/92f327caaade93b9087bc969d8ed6fa4f596048c/COI/COI%2015-zarulje.cpp
*/
const int MOD = 1e9 + 7;
const int N = 2e5 + 5;
const int inf1 = int(1e9) + 5;
const ll inf2 = ll(1e18) + 5;
ll fact[N], ifact[N];
ll bexp(ll a, ll b) {
a %= MOD;
if (a == 0) return 0;
ll res = 1;
while (b) {
if (b & 1) res = res * a % MOD;
a = a * a % MOD;
b >>= 1;
}
return res;
}
ll invmod(ll a) {
return bexp(a, MOD - 2);
}
ll ncr(ll n, ll r) {
if (n < 0 or r < 0 or n < r) return 0;
return fact[n] * ifact[r] % MOD * ifact[n - r] % MOD;
}
ll npr(ll n, ll r) {
if (n < 0 or r < 0 or n < r) return 0;
return fact[n] * ifact[n - r] % MOD;
}
void precalc(ll n) {
fact[0] = 1;
rep1(i, n) fact[i] = fact[i - 1] * i % MOD;
ifact[n] = invmod(fact[n]);
rev(i, n - 1, 0) ifact[i] = ifact[i + 1] * (i + 1) % MOD;
}
void solve(int test_case)
{
ll n,k; cin >> n >> k;
precalc(n);
vector<ll> a(n+5), b(k+5);
rep1(i,n) cin >> a[i];
rep1(i,k) cin >> b[i];
rep1(ind,k){
ll p = b[ind];
ll mn = inf2;
map<ll,pll> mp;
for(int i = p+1; i <= n; ++i){
if(a[i] > mn){
// will def be removed without any option
conts;
}
mn = a[i];
mp[a[i]].ff++;
}
mn = inf2;
rev(i,p-1,1){
if(a[i] > mn){
conts;
}
mn = a[i];
mp[a[i]].ss++;
}
ll ans = 1;
for(auto [val,px] : mp){
ll ways = ncr(px.ff+px.ss, px.ff);
ans = ans * ways % MOD;
}
cout << ans << endl;
}
}
int main()
{
fastio;
int t = 1;
// cin >> t;
rep1(i, t) {
solve(i);
}
return 0;
}
