Hmmm, well the ninja would jump out of nowhere, then the pirate would swing his sword. The ninja would dissappear. He would re-appear behind the pirate. Swing a punch at the pirate. He hits him. The pirate decides how to fight dirty, he pulls out his AK47 and shoots out a full round of bullets.
The pirate would then run out of bullets, the ninja would impale the pirate with his sword into his stomach. Miraculously, the pirate is still living. The pirate would then stab the AK47 into the ninja's groin area. The can not remove the items impaled into the body or they will die.
The ninja takes a stand and decides to take it out. He then died of shock. The pirate is left with the orange squash. While he is eating it, he is still losing blood. But he does not notice it. Later after the pirate eats the squash, he then dies slowly. When his body is rotting; a rabid wolf comes and eats his inners. So the wolf finishes out with the orange squash.
That is the fight between the two : Pirate vs. Ninja.