$\text{ Statement }-1:\text{ The statement }~(\mathrm{p}\leftrightarrow \sim \mathrm{q})\text{ is equivalent to }(\mathrm{p}\leftrightarrow \mathrm{q})$

$\text{ Statement }-2:\text{ The statement }~(\mathrm{p}\leftrightarrow \sim \mathrm{q})\text{ is a Tautology }$

 

Statement – 1 is true and Statement – 2 is false 

Statement – 1 is false and Statement – 2 is true   

both the Statements are true and Statement – 2 is the correct explanation of   Statement – 1 

both the Statements are true and Statement – 2 is not the correct explanation of  Statement – 1