Following are parts of a single sentence. Pick the grammatically correct parts among these and choose the combination with the numbers of these correct parts.
(i) They need to
(ii) Clear the air
(iii) About the inheritance issue,
(iv) But that isn't enough
1
(ii), (iii) and (iv)
2
(ii) and (iv)
3
(i), (ii), (iii) and (iv)
4
(ii) and (iii)