Oppia tells the learner...
Please give Oppia something useful to say here. Nothing
The feedback length is too long. Please use at most 500 characters.

And afterwards, directs the learner to ... Oppia directs the learner to ... {{ outcome.dest }} (try again) (try again, with refresher exploration "{{ outcome.refresherExplorationId }}")
Attached prerequisite skill for the current state: {{ outcome.missingPrerequisiteSkillId }}
(Optional) If the learner is really stuck, direct them to ... (Optional) Oppia directs the stuck learner to ... {{ outcome.destIfReallyStuck }} (none)
The answers falling under this group are correct incorrect