Which thumbnail is better?

https://preview.redd.it/4mrco9w6grne1.jpg?width=1280&format=pjpg&auto=webp&s=7c614e9a420323b60876252e1710ec7a112b1ec2

https://preview.redd.it/yzea3ch7grne1.jpg?width=1280&format=pjpg&auto=webp&s=8e3e0f33fdc44d6a16beb3d6fcf25a5b86b44fe0

Video is, evidently, about giving SAT tips on the test. Thank you in advance!