Scroll down to #14 and you’ll get your answer.
Palestinian Terrorist are completely predictable - they will do whatever they can to cause as much problem and destruction as their feeble and hate-obsessed mind can engineer.
The actual manner or time of their attack may be semi-unpredictable, but that takes nothing away from the fact that they are just waiting to kill and maim.
Pit Bulls can actually be somewhat sweet acting - but they have the genetic disposition to kill that cannot be trained or loved completely out. A pit can go for many years without revealing any dangerous tendencies, or they can attack at a fairly early age. Then again, some never present their dangerous side in a serious manner. But it IS there...