public function run()
{
$course = Course::firstOrCreate(['id' => '01234567891011121314151617181920', 'name' => "+2 Science"]);
$subject = Subject::firstOrCreate(['id' => '23456789101112131415161718192001', 'name' => "Maths", 'ref_id' => $course->id]);
$module = Module::firstOrCreate(['id' => '12345678910111213141516171819200', 'name' => "Calculas", 'ref_id' => $subject->id]);
$chapter = Chapter::firstOrCreate(['id' => '45678910111213141516171819200123', 'name' => "Definite Integral", 'ref_id' => $module->id]);
$topic = Topic::firstOrCreate(['id' => '67891011121314151617181920012345', 'name' => "Introduction", 'ref_id' => $chapter->id]);
$question = Question::firstOrCreate(['id' => '89101112131415161718192001234567', 'topic_id' => $topic->id, 'question' => "What is the value of x? (x belongs to y) ", 'type' => 2, 'rating' => 3, 'level' => 4, 'source' => null, 'status' => 1, 'subject_id' => $subject->id, 'chapter_id' => $chapter->id, 'module_id' => $module->id]);
}
