The right explanation

{"params":{"content":{"task":"<p>Match each noun (A\u2013E) with the correct explanation by using the drop-down list.<\/p>\n","blanksList":[{"correctAnswerText":"the length of time you can stay focused on a particular task"},{"correctAnswerText":"extreme tiredness"},{"correctAnswerText":"a short sleep to boost your energy"},{"correctAnswerText":"a feeling that you get when something affects your body"},{"correctAnswerText":"a short, light sleep, usually when you\u2019re not in your bed"},{"correctAnswerText":"the part of the mind that we are not aware of"}],"blanksText":"<p>A. <strong>attention span<\/strong><br>\n_________<\/p>\n\n<p>B. <strong>fatigue<\/strong><br>\n_________<\/p>\n\n<p>C. <strong>power nap<\/strong><br>\n_________<\/p>\n\n<p>D. <strong>sensation<\/strong><br>\n_________<\/p>\n\n<p>E. <strong>snooze<\/strong><br>\n_________<\/p>\n\n<p>F. <strong>the subconscious<\/strong><br>\n_________<\/p>\n"},"overallFeedback":[{"from":0,"to":100}],"behaviour":{"mode":"selection","selectAlternatives":"all","selectAlternativeRestriction":0,"spellingErrorBehaviour":"mistake","caseSensitive":false,"autoCheck":false,"enableSolutionsButton":true,"showSolutionsRequiresInput":false,"enableRetry":true,"enableCheckButton":true,"disableImageZooming":false,"confirmCheckDialog":false,"confirmRetryDialog":false},"showSolutions":"L\u00f6sung anzeigen","tryAgain":"Wiederholen","checkAnswer":"\u00dcberpr\u00fcfen","notFilledOut":"Bitte f\u00fclle alle L\u00fccken aus, um die L\u00f6sung zu sehen","tipLabel":"Tipp","spellingMistakeWarning":"\u00dcberpr\u00fcfe die Rechtschreibung: @mistake","scoreBarLabel":"Du hast :num von :total Punkten erreicht.","confirmCheck":{"header":"Beenden?","body":"Ganz sicher beenden?","cancelLabel":"Abbrechen","confirmLabel":"Beenden"},"confirmRetry":{"header":"Wiederholen?","body":"Ganz sicher wiederholen?","cancelLabel":"Abbrechen","confirmLabel":"Best\u00e4tigen"}},"metadata":{"license":"U"}},