The lcAnswerContent element was deprecated in DITA version 1.3. It was replaced with the lcAnswerContent2 element. It was originally intended to provide the content for an answer option, which the learner can select as correct or incorrect, in a learning interaction.
See appendix for information about this element in OASIS document type shells.
+ topic/p learningInteractionBase-d/p learning-d/lcAnswerContent
... <lcAnswerContent>True</lcAnswerContent> ...