challenge: What is Saint Llwchaiarn credited with, according to 16th-century local Welsh poet Siôn Ceri?
  
  A. Bringing peace to warring tribes and founding a monastery
  B. Healing the sick and feeding the poor
  C. Slaying a dragon and causing a hind to leap into a pool of water
  D. Converting pagans to Christianity and performing exorcisms
  Answer: 