Premise: A lady is sitting on a bench wearing sunglasses and holding a walking cane .
Correct statement: It is certain that she uses a cane to walk .
Incorrect statement: It is highly unlikely that she uses a cane to walk .
Correct statement: It is probably the case that a woman is enjoying a day at the shore .
Incorrect statement: It is probably not the case that a woman is enjoying a day at the shore .
Correct statement: It is likely that this lady is more than 40 years old .
Incorrect statement: It is highly unlikely that this lady is more than 40 years old .
Correct statement: We believe that the lady 's sunglasses are black .
Incorrect statement: It is probably not the case that the lady 's sunglasses are black .
Correct statement: We believe that an old lady sits on a bench with a walking cane .
Incorrect statement: It is highly unlikely that an old lady sits on a bench with a walking cane .