import math
import sys
input = sys.stdin.read

def main():
    data = input().split()
    t = int(data[0])
    index = 1
    results = []

    for _ in range(t):
        Ax = int(data[index])
        Ay = int(data[index+1])
        Bx = int(data[index+2])
        By = int(data[index+3])
        Cx = int(data[index+4])
        Cy = int(data[index+5])
        index += 6

        angleA = math.atan2(Ay, Ax)
        angleB = math.atan2(By, Bx)
        angleC = math.atan2(Cy, Cx)

        if angleA + angleB >= angleC:
            results.append("Yes")
        else:
            results.append("No")
    
    print("\n".join(results))

main()