Premise: "A woman on a kiosk decorating cup cakes while bystanders attentively observe the technique."
Hypothesis: "A woman is teaching a baking class on cupcakes."
Do we know that the hypothesis entailed by the premise? Now, let's be accurate as possible. Some thinking first:
A woman decorating cupcakes does not imply the woman is teaching a baking class. So, the answer is it is not possible to tell.