Assertion : Melting of ice is spontaneous above 273K. 
Reason : Above 273K, for the process of melting of ice, magnitude of  $\Delta H>T\Delta S$

(A) is true but (R) is false

Both (A) and (R) are true but (R) is not the correct explanation of (A)

Both (A) and (R) are true and (R) is the correct explanation of (A)

Both (A) and (R) are false