Two vessels `A` and `B` have volumes `V` and `4V` respectively Both vessels contain some water The pressure in the space above water is `P^(1)` in vessel `A` and `P_(2)` in vessel `B` at temperature `T` which one is correct ? .
A. `P_(1) =P_(2)`
B. `4P_(1) =P_(2)`
C. `P_(1) =4P_(2)`
D. `P_(1) = 16P_(2)`