#include #include using namespace std; using namespace atcoder; #define rep(i, n) for(int i=0;i<(n);++i) #define rep1(i, n) for(int i=1;i<=(n);i++) #define ll long long using mint = modint998244353; using P = pair; using lb = long double; using T = tuple; #ifdef LOCAL # include # define dbg(...) debug_print::multi_print(#__VA_ARGS__, __VA_ARGS__) #else # define dbg(...) (static_cast(0)) #endif int main() { int t; cin >> t; while(t--){ ll a, b, c, d, A, B, C, D; cin >> a >> b >> c >> d >> A >> B >> C >> D; if(a==A && b==B && c==C && d==D){ cout << "Yes" << endl; continue; } ll r = (c-a)*(D-B) - (d-b)*(C-A); if(r!=0){ cout << "No" << endl; continue; } if((a-c)*(a-c)+(b-d)*(b-d)>(A-C)*(A-C)+(B-D)*(B-D)){ cout << "Yes" << endl; } else{ cout << "No" << endl; } } return 0; }