get("#485") -- containsColor

-- Job: Distinguish two classes of images
-- Two images are supplied at once, one of each class.
-- Task is to find out if the two images are swapped or not.
--
-- input variables: img1, img2
-- output: a function returning true or false (swapped or no)
--
-- variables set by learner: color, class2sampled

return function()
  flag1 = containsColor(img1, color)
  flag2 = containsColor(img2, color)
  if flag1 == flag2 then
    return false
  end
  return flag1 == class2sampled
end

Began life as a copy of #484