Use reasoning to lead to the answer of the following question:
If "A woman in a blue blouse is doing some sort of exercise on the back of a vehicle." does that mean that "A woman is stretching because of her aching back."?\nOptions:\n- yes\n- it is not possible to tell\n- no

it is not possible to tell
The woman is doing some sort of exercise but that doesn't necessarily mean she is stretching and she doesn't necessarily have an aching back.

.

Final answer: it is not possible to tell