Given: Planes X and Y and points J, K, L, M, and N are given.
Required: To determine how many planes contain points J, K, and N.
Explanation: From the given figure, we have three planes intersecting. The points K and N lie on plane X, and the point J lies on the plane of intersection of X and Y.
Thus the given points J, K, and N lie on two planes.
Final Answer: Option C is correct.
