This task is about writing a correct answer for the reading comprehension task. Based on the information provided in a given passage, you should identify the shortest continuous text span from the passage that serves as an answer to the given question. Avoid answers that are incorrect or provides incomplete justification for the question.

Passage: In 1918 Espanyol started a counter-petition against autonomy, which at that time had become a pertinent issue. Later on, an Espanyol supporter group would join the Falangists in the Spanish Civil War, siding with the fascists. Despite these differences in ideology, the derbi has always been more relevant to Espanyol supporters than Barcelona ones due to the difference in objectives. In recent years the rivalry has become less political, as Espanyol translated its official name and anthem from Spanish to Catalan. Question: How has the rivalry between Espanyol and Barcelona changed?
less political