Two young ladies in green boots are walking through an urban area while an older lady wearing black shoes follows them .
There is a better than even chance that a mother follows her two daughters as they walk through an urban area .
There is a better than even chance that a mother follows her two daughters as they walk through an urban area .
It is improbable that a mother follows her two daughters as they walk through an urban area .
A mother follows her two daughters as they walk through an urban area .