Option a is the correct answer. Kathakali is a classical dance form from Kerala that is associated with mask dance. Kathakali is a dance-drama that depicts stories from Hindu epics and mythology. The dancers wear elaborate costumes, makeup, masks, and facial expressions to portray various roles and emotions. The masks are made of papier-mache, cloth, wood, or metal and are painted with natural colours. Some of the common masks used in Kathakali are Hanuman (the monkey god), Garuda (the eagle god), Narasimha (the lion-man avatar of Vishnu), and Ravana (the demon king).