$.$ Water is initially at its critical point inside a piston cylinder assembly. What is the phase of

water after it is cooled at the same pressure? Justify your answer with a T$-$v diagram,

engineering model. $(10$ points$)$

$($a$)$ Superheated vapor

$($b$)$ Compressed liquid

$($c$)$ Saturated liquid$-$vapor mixture

$($d$)$ Insufficient information

Please solve this, thankyou!!