Premise: "Two college aged males smile while sitting at a lab table with an egg on it."\nHypothesis: "Two guys are taking a college biology course."\nDo we know that the hypothesis entailed by the premise?
Let's think step by step below.
it is not possible to tell
Sitting at the lab table does not imply that they are doing a biology course.

.

The final answer: it is not possible to tell