a:1:{i:0;a:13:{s:2:"id";s:3:"470";s:7:"answer1";s:168:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=%5Cbigvee_x%20x%20%3C%203" alt="\bigvee_x x &lt; 3" /></p>";s:7:"answer2";s:171:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=%5Cbigvee_x%20x%20%5Cneq%203" alt="\bigvee_x x \neq 3" /></p>";s:7:"answer3";s:175:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=%5Cbigwedge_x%20x%20%5Cgeq%203" alt="\bigwedge_x x \geq 3" /></p>";s:7:"answer4";s:172:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=%5Cbigwedge_x%20x%20%3C%203" alt="\bigwedge_x x &lt; 3" /></p>";s:7:"answer5";s:0:"";s:7:"answer6";s:0:"";s:7:"answer7";s:0:"";s:7:"answer8";s:0:"";s:7:"answer9";s:0:"";s:8:"answer10";s:0:"";s:4:"good";s:10:"0001000000";s:8:"question";s:4:"1730";}}