Statement I: In simple harmonic motion, the graph between velocity and the displacement is an ellipse.
Statement II: In simple harmonic motion the phase difference between velocity and displacement is $\frac{\pi }{2}.$

If both statements are correct, and statement II is the correct explanation of statement I

If statement I is incorrect, but statement II is correct.

If both statements are correct, and statement II is not the correct explanation of statement I 

If statement I is correct, but statement II is incorrect.