please write yes or no and explain why

0 = (x1 VX3VXD)^(1 VX2vxa) Can the above 3CNF-SAT problem be reduced to the k-clique problem in Figure 1? xi X2 X4 X1 X3 Figure 1: k-clique problem Yes No O = (x1 VX5 VX) (X4 V X2vxa) Can the above 3CNF-SAT problem be reduced to the k-clique problem in Figure 2? ( X1 X2 X3 X4 X1 X2 X3 X4 0 = (x7 V X3 VX4) ^ (X7 V X2 VX4) Can the above 3CNE-SAT problem be reduced to the k-clique problem in Figure 3? | X1 X2 X4 X1 X3 4 Figure 3: k-clique problem Yes No