Premise: "A man and a laughing woman sit at a blue table with a styrofoam box on it."
Hypothesis: "The table has nothing on it."
Do we know that the hypothesis entailed by the premise? A step-by-step solution is:
A Styrofoam box is something. A table can't have a Styrofoam box and nothing on it at the same time.
The final answer: no.