Task: Question Answering
Input (English): Passage: Madonna embarked on the Confessions Tour in May 2006, which had a global audience of 1.2 million and grossed over $193.7 million, becoming the highest-grossing tour to that date for a female artist. Madonna used religious symbols, such as the crucifix and Crown of Thorns, in the performance of "Live to Tell". It caused the Russian Orthodox Church and the Federation of Jewish Communities of Russia to urge all their members to boycott her concert. At the same time, the International Federation of the Phonographic Industry (IFPI) announced officially that Madonna had sold over 200 million copies for her albums alone worldwide. Question: Why did the Russian Orthodox Church and Federation of Jewish Communities of Russian asked members to boycott the concert?
Output (English): used religious symbols