Premise: "Five men in black and yellow clothing staring up and a woman holding a bike standing behind them."\nHypothesis: "A group of woman checks out a man holding a bike."\nDo we know that the hypothesis entailed by the premise?
Let's be accurate as possible and think first.
no
Five men cannot be a group of women.

If a woman is holding a bike then it is not a man holding a bike.

.

So, the final answer is no