Best to play it safe and deny any knowledge of the truth.

The German government denied any knowledge of such a plan.

As I expected, he denied any knowledge of the bombing.

Police denied any knowledge of who was on the bike.

It is only the young, the poor and the alone who will now be denied knowledge of their legal options.

Everyone present had denied any knowledge of the deceased woman.

But when the police questioned him, he denied any knowledge.

You do not deny knowledge of what that explanation might be.

Afterward, he said, the top officials and the president denied any knowledge of it.

The General denied any knowledge of such activity and said it would not have influenced him.