Statement I: In a simple harmonic motion the kinetic and potential energies become equal when the displacement  is $\frac{1}{\sqrt{2}}$ times the amplitude. 
Statement II: In SHM kinetic energy is zero when potential energy is maximum.

If both statement I and statement II are true and statement II is the correct explanation of statement I.
 

If both statement I and statement II are true but statement II is not the correct explanation of statement I.
 

If statement I is true but statement II is false 
 

If both statement I and statement II are false