Premise: "A man in a blue shirt and a woman in a white shirt in front of a sign written in an asian language."
Hypothesis: "A man in a blue shirt and a woman in a white shirt joyously in front of a sign."
Do we know that the hypothesis entailed by the premise?
Let's solve step-by-step:
A man an a woman can be out and not be joyously. The answer is it is not possible to tell.