Какое местоимение нужно к этому предложению Her book is interesting, ... is dull

Question

Какое местоимение нужно к этому предложению
Her book is interesting, ... is dull

Answer 1

Her book is interesting, mine is dull.
Her book is interesting, theirs is dull.
Her book is interesting, his is dull.
Her book is interesting, ours is dull.
Her book is interesting, yours is dull.