string(12) "ACE_Question"
Array
(
    [id] => 
    [question_type] => singlechoice
    [question] => What is 2 + 2?
    [instructions] => 
    [marks] => 2
    [knowledge_bank] => Array
        (
        )

    [answer_bank] => Array
        (
        )

    [options] => Array
        (
        )

    [resources] => Array
        (
        )

    [settings] => Array
        (
        )

    [meta] => Array
        (
            [grade] => 10
            [subject] => Mathematics
            [term] => 
            [topic] => 
            [subtopic] => 
            [difficulty] => 
            [bloom] => 
            [source] => 
        )

)