But the best way to protect our citizens from guns is to prosecute those who commit crimes with guns. And that's why early in my administration I called the attorney general and the U. S. attorneys and said: Put together a task force all around the country to prosecute those who commit crimes with guns. And the prosecutions are up by about 68 percent -- I believe -- is the number.

Based on that paragraph can we conclude that this sentence is true?
The quoted mans administration is why gun prosecutions are up.

Options are: a). Yes; b). It's impossible to say; c). No;
a).