challenge: What was the reported reason for Iain Lom not helping Dòmhnall Donn when he was awaiting execution in Inverness?
  
  A. Dòmhnall Donn was involved in the Keppoch Murder
  B. Dòmhnall Donn was a famous cattle raider
  C. Dòmhnall Donn was a rival poet
  D. Dòmhnall Donn had killed Iain Lom's son in a skirmish
  Answer: 