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.
The man more certain that 68 is the right number, than not.
The statement belongs to the category as the man quoted thinks that 68 is the right number through his use of the phrase "I believe". 
( z1 have-degree :ARG1 ( z2 man ) :ARG2 ( z3 know :ARG0 z2 :ARG1 ( z4 right :ARG1 ( z5 number :value 68 ) ) ) :ARG3 ( z6 more ) :ARG4 ( z7 know :polarity - :ARG0 z2 :ARG1 z4 ) )