Hanging Red Charms to Ward Off Evil

Niu Youmao carries a funeral wreath to shelter from the rain beneath the eaves of the Ding family home. The Dings call it bad luck and demand that he hang red cloth to ward off evil. Three days later, when Niu Youmao returns to hang it, he finds a funeral canopy set up outside the Ding home. Should he hang the red cloth or not?