two girls wearing gray sweat jackets picking on the side of a busy road , one of the girls is picking up something off the ground while the other looks on .
There is a better than even chance that one girl works while the other keeps an eye out for traffic .
There is a better than even chance that one girl works while the other keeps an eye out for traffic .
It is improbable that one girl works while the other keeps an eye out for traffic .
One girl works while the other keeps an eye out for traffic .