Xenomorph or Yautja. The human race is close to its end, the world is filled with Aliens and Predators. Who would you allied yourself with?

They are at war with each other and the humans are just around. Chose one, please :D Suicide is not an option. ---- If someone is interested in knowing more about each choice. ___
Xenomorph - http://aliens.wikia.com/wiki/Xenomorph ____ Yautja - http://avp.wikia.com/wiki/Yautja_(Predator)