Task: Question Generation
Input (English): The Carnival of Malmedy is locally called Cwarmê. Even if Malmedy is located in the east Belgium, near the German-speaking area, the Cwarmê is a pure walloon and Latin carnival. The celebration takes place during 4 days before the Shrove Tuesday. The Cwarmê Sunday is the most important and insteresting to see. All the old traditional costumes parade in the street. The Cwarmê is a "street carnival" and is not only a parade. People who are disguised pass through the crowd and perform a part of the traditional costume they wear. The famous traditional costumes at the Cwarmê of Malmedy are the Haguète, the Longuès-Brèsses and the Long-Né.
Output (English): How many days does Malmedy's festival take place before Shrove Tuesday?