two guys in street cloths doing some marshal arts .
It is impossible that there are two men in street clothes doing Jujitsu in the park .
It is impossible that there are two men in street clothes doing Jujitsu in the park .
There is a better than even chance that there are two men in street clothes doing Jujitsu in the park .
There are two men in street clothes doing Jujitsu in the park .