#include <bits/stdc++.h>
using namespace std;

struct Point {
  using P = Point;
  double x;
  double y;
  double z;
  Point(double _x = 0.0, double _y = 0.0, double _z = 0.0)
      : x(_x), y(_y), z(_z) {}

  // NOTICE: if you use 3d vector, change THIS!!
  friend istream& operator>>(istream& input, P& p) {
    return input >> p.x >> p.y, p.z = 0, input;
  }
  friend ostream& operator<<(ostream& output, const P& p) {
    return output << '(' << p.x << ", " << p.y << ')';
  }
  P operator+(const P& p) const { return P(x + p.x, y + p.y, z + p.z); }
  P operator-(const P& p) const { return P(x - p.x, y - p.y, z - p.z); }
  P operator*(const double& k) const { return P(x * k, y * k, z * k); }
  P operator/(const double& k) const { return P(x / k, y / k, z / k); }
  P& operator+=(const P& p) { return *this = *this + p; }
  P& operator-=(const P& p) { return *this = *this - p; }
  P& operator*=(const double& k) { return *this = *this * k; }
  P& operator/=(const double& k) { return *this = *this / k; }
  bool operator<(const P& p) const { return lt(z, p.z); }
  bool operator==(const P& p) const {
    return eq(x, p.x) && eq(y, p.y) && eq(z, p.z);
  }
  bool operator>(const P& p) const { return !(*this < p || *this == p); }
  double abs() const { return sqrt(norm()); }
  double norm() const { return x * x + y * y + z * z; };
  double dot(const P& p) const { return x * p.x + y * p.y + z * p.z; }
  P cross(const P& p) const {
    double a = y * p.z - z * p.y;
    double b = z * p.x - x * p.z;
    double c = x * p.y - y * p.x;
    return P(a, b, c);
  }
  bool isOrthogonal(const P& p) const { return eq(dot(p), 0.0); }
  bool isParallel(const P& p) const { return cross(p) == P(0.0, 0.0, 0.0); }

  static double EPS;
  static bool eq(const double& a, const double& b) {
    return std::abs(a - b) < EPS;
  }
  static bool lt(const double& a, const double& b) { return a - b < -EPS; }
  static bool le(const double& a, const double& b) { return a - b < EPS; }
  static int ccw(P a, P b, P c) {
    b -= a;
    c -= a;
    if (b.cross(c) > P(0.0, 0.0, 0.0)) return +1;  // counter clockwise
    if (b.cross(c) < P(0.0, 0.0, 0.0)) return -1;  // clockwise
    if (lt(b.dot(c), 0.0)) return +2;              // on line back
    if (lt(b.norm(), c.norm())) return -2;         // on line front
    return 0;                                      // on segment
  }
  static bool intersect(const P& a1, const P& a2, const P& b1, const P& b2) {
    return ccw(a1, a2, b1) * ccw(a1, a2, b2) <= 0 &&
           ccw(b1, b2, a1) * ccw(b1, b2, a2) <= 0;
  }
  static vector<P> convexHull(vector<P> ps) {
    int n = ps.size(), k = 0;
    sort(begin(ps), end(ps));
    vector<P> ch(n * 2);
    for (int i = 0; i < n; ch[k++] = ps[i++]) {
      while (k >= 2 && ccw(ch[k - 2], ch[k - 1], ps[i]) <= 0) --k;
    }
    for (int i = n - 2, t = k + 1; i >= 0; ch[k++] = ps[i--]) {
      while (k >= t && ccw(ch[k - 2], ch[k - 1], ps[i]) <= 0) --k;
    }
    ch.resize(k - 1);
    return ch;
  }
};
double Point::EPS = 1e-10;

int main() {
  int n;
  cin >> n;
  for (int i = 0; i < n; i++) {
    Point a, b, c, d;
    cin >> a >> b >> c >> d;
    cout << (((b - a).isParallel(d - c)) ? "YES" : "NO") << endl;
  }
}



Measured memory_bytes: 3192