Two people are demonstrating martial arts to a crowd and jumping over three youngsters who are crouched on the mat .
Chances are about even that two people are practicing martial arts to demonstrate to a crowd of children .
Chances are about even that two people are practicing martial arts to demonstrate to a crowd of children .
It is impossible that two people are practicing martial arts to demonstrate to a crowd of children .
Two people are practicing martial arts to demonstrate to a crowd of children .