TASK DEFINITION: In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
PROBLEM: A blood feud is a feud with a cycle of retaliatory violence , with the relatives of someone who has been killed or otherwise wronged or dishonored .

SOLUTION: A blood feud is a feud with a cycle of retaliatory violence , with the relatives or associates of someone who has been killed or otherwise wronged or dishonored seeking vengeance by killing or otherwise physically punishing the culprits or their relatives .

PROBLEM: The 2008 UEFA European Football Championship ( or the Euro 2008 ) was the 13th UEFA European Championships .

SOLUTION: The 2008 UEFA European Football Championship , commonly referred to as UEFA Euro 2008 or simply Euro 2008 , was the 13th UEFA European Football Championship , a quadrennial football tournament contested by European nations .

PROBLEM: The coconut palm is a palm tree in the family Arecaceae ( palm family ) .

SOLUTION:
The coconut tree ( " Cocos nucifera " ) is a member of the palm tree family ( Arecaceae ) and the only known living species of the genus " Cocos " .