https://www.instructorforge.com/challenge-page/instructor-training 2026-04-06 https://static.wixstatic.com/media/18f1dc_88112c7335e441f1abd0efe0a1c1b3fc~mv2.png/v1/fit/w_1000,h_800,al_c,q_90/file.jpg Learners in a classroom