Premise: "An elderly man walking down the sidewalk carrying a shopping bag."\nHypothesis: "An old man just got done shopping at the grocery store."\nDo we know that the hypothesis entailed by the premise?
Let's think step by step.
it is not possible to tell
An old man carrying a shopping bag does not imply he was shopping at the grocery store.

.

Thus, the answer is it is not possible to tell