A teenage boy with a white shirt and black pants and a young girl with a pink top and black skirt walking through a weedy field .
It is improbable that a boy is walking home from school with his younger sister .
It is improbable that a boy is walking home from school with his younger sister .
There is a very good chance that a boy is walking home from school with his younger sister .
A boy is walking home from school with his younger sister .