﻿Read the file "English/reasoning/family/family definition".
Paul is the son of John and Anna.
Joe is a son of John and Anna.
#Dev#Display the justification report about John.
#Dev#Display the justification report about Anna.
#Dev#Display the justification report about Paul.
#Dev#Display the justification report about Joe.
# To continue, click button «Clear your mind.» or «Restart.».