a person sits in the back of a classroom and falls to the ground
In a classroom, several students fool around and one falls down.
A group of young people are sitting behind tables and a man is talking to them.
Some children sitting in a classroom being lazy and leaning back.
Someone is watching a video of students in the classroom on the mobile while sitting down.
A group of young people are in a classroom and one falls off their chair.
Some people are talking and laughing in a classroom setting.
A group of people are talking in the room and then someone's chair breaks and they fall.
A GIRL IN A CLASSROOM RAISES HER HAND WHILE A MALE SPEAKS TO HER.
A cellphone camera focuses on several students sitting at a desk.