Read the text and determine if the sentence is true:

According to tradition, they founded Tenochtitlan ( "Place of the High Priest Tenoch" ) after much wandering when they saw on an island in Lake Texcoco the sign that their god Huitzilopochtli had indicated -- an eagle perched on a cactus, eating a serpent .

Sentence: The sign showed an eagle being eaten by a serpent.