In a certain code language,
'Space Thee Bliss' is written as 'is jk th',
'Bliss Youth Last' is written as 'th cuwn',
'River Last God' is written as 'cu gd ap',
'Bliss Thee Bad' is written as ' jk th if'.
How will 'Bliss Thee Youth' be written in that language?

'Space Thee Bliss' → 'is jk th'

'Bliss Youth Last' → 'th cuwn'

'River Last God' → 'cu gd ap'

'Bliss Thee Bad' → 'jk th if'

So, 'Bliss Thee Youth' will be written as 'th jk wn'.

​​​​​Thus, correct option is (b).