return function(N,X,Y)if N and(X and(Y and(Y~=""and(N[Y]and(X[Y]and N[Y]==X[Y])))))then return true end return false end


return function(A, B, key)
	if A and B and key and key ~= "" and A[key] and B[key] and A[key] == B[key] then
		return true
	end
	return false
end
