$.$ P$.$QRS$.$T$.$U$.$V$.$W are eight students in the class. Three of them study English and Commerce each and two of them study Sanskrit. Each one of them has different weight. Each of them studies only one subject. Students are arranged based on their weight with the heaviest one on the top.

ii$.$ The heaviest one does not study Sanskrit and the lightest one does not study English iii. U is heavier than P and S$.$ but lighter than W and Q$.$ T$,$ who does not study English, is heavier than Q and is the second heaviest. V is lighter than S but heavier than P$.$

iv$.$ W$,$ who is fourth from the top, studies Commerce along with S

v$.$ V does not study either Sanskrit or English. Q does not study Sanskrit.

OR

Who is the heaviest?