Direction : Choose the sentence which indicates the correct change of voice.
We understand well that Anagha opposes our views.
1
It was understood well by us that our views are opposed by Anagha.
2
That Anagha opposes our views, is understood well by us.
3
It is understood by us that Anagha opposes our views.
4
It is understood well by us that our views are opposed by Anagha.