A woman walks up a path that cuts through cultivated plots while balancing straw on her head .
It is improbable that the woman is having a hard time balancing the straw on her head .
It is probably the case that the woman is having a hard time balancing the straw on her head .
It is improbable that the woman is having a hard time balancing the straw on her head .
The woman is having a hard time balancing the straw on her head .