","comment":{"@type":"Comment","text":"How long may a toothbrush be? "},"educationalAlignment":[{"@type":"AlignmentObject","alignmentType":"educationalSubject","targetName":"Mathematics"},{"@type":"AlignmentObject","alignmentType":"educationalSubject","targetName":"Length (metric)"}],"encodingFormat":"text/markdown","eduQuestionType":"Multiple choice","learningResourceType":"Practice problem","suggestedAnswer":[{"@type":"Answer","position":0,"text":"20 m","encodingFormat":"text/markdown","comment":{"@type":"Comment","text":"This is the wrong answer"}},{"@type":"Answer","position":1,"text":"2 cm","encodingFormat":"text/markdown","comment":{"@type":"Comment","text":"This is the wrong answer"}},{"@type":"Answer","position":3,"text":"2 m","encodingFormat":"text/markdown","comment":{"@type":"Comment","text":"This is the wrong answer"}}],"acceptedAnswer":{"@type":"Answer","position":2,"text":"20 cm","encodingFormat":"text/markdown","comment":{"@type":"Comment","text":"This is the correct answer"},"answerExplanation":{"@type":"Comment","text":"The correct answer is: 20 cm"}}}}