Please answer the following question by reasoning step-by-step.
Given the sentence "A woman in a pink sweater is singing to a man in a suit." can we conclude that "A woman is proposing."?\nOptions:\n- yes\n- it is not possible to tell\n- no

it is not possible to tell
Not all woman singing to a man in a suit is proposing.

.

Therefore, the answer is it is not possible to tell