You are given a sentence in English. Your job is to translate the English sentence into Spanish.

So I want to end my talk leaving this thought and challenge to you.
así que quiero terminar mi charla con este pensamiento para motivarles

Another economic game that may not be as well known as the prisoner's dilemma is the ultimatum game, and it's also a very interesting probe of our assumptions about the way people make economic transactions.
Otro juego económico, tal vez no tan conocido como el dilema del prisionero, es el juego del ultimátum. Y es también un interesante sondeo sobre nuestros supuestos sobre la forma de hacer las transacciones económicas.

They are growing in political clout, as the mullahs are isolating themselves — with the exception of one group of mullahs, who are not well known to Americans.

están incrementando su influencia política, mientras los mullahs se aíslan con la excepción de un grupo de mullahs, que no son bien conocidos por los Americanos.

