The true meaning

{"params":{"media":{"disableImageZooming":false},"content":{"task":"<p>Match the five words from the article to their respective explanations by using the drop-down list.<\/p>\n","blanksList":[{"correctAnswerText":"do something to reduce or prevent the bad or harmful effects of something"},{"correctAnswerText":"imagine what a situation will be like in the future"},{"correctAnswerText":"use somebody or something in a way that helps you"},{"correctAnswerText":"do something, such as a piece of work, task or duty"},{"correctAnswerText":"discover something unexpectedly"}],"blanksText":"<p>1. counteract sth.:<br>\n______<\/p>\n\n<p>2. envision sth.:<br>\n______<\/p>\n\n<p>3. exploit sb.\/sth.:<br>\n______<\/p>\n\n<p>4. perform sth.:<br>\n______<\/p>\n\n<p>5. stumble across sth.:<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,"confirmCheckDialog":false,"confirmRetryDialog":false},"showSolutions":"L\u00f6sung anzeigen","tryAgain":"Wiederholen","checkAnswer":"\u00dcberpr\u00fcfen","submitAnswer":"\u00dcbermitteln","notFilledOut":"Bitte f\u00fclle alle L\u00fccken aus, um die L\u00f6sung ansehen zu k\u00f6nnen","tipLabel":"Tipp","spellingMistakeWarning":"\u00dcberpr\u00fcfen Sie die Rechtschreibung","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"}},