Uh oh... I left some comments in Vietnamese... Am I in trouble? I just want to practice my Vietnamese, though...
By the way, should the phrase be with "the"? As the superlative needs "the", therefore it should be "the closest".
There are times when the superlative doesn't need "the". This is one of them but it is not wrong to use "the."
"Mercury is nearest to the Sun" ?
Second "Mercury is nearest to the Sun" ..should be accepted.
Isn't "Thủy" water?