Premise: "A bike rider wearing a red shirt and black shorts is attended to by city workers."\nHypothesis: "A bicycle rider in a red shirt is attended by workers."\nDo we know that the hypothesis entailed by the premise?
Let’s work this out in a step by step way to be sure we have the right answer.
yes
A bike rider wearing a red shirt is the same as a bicycle rider in a red shirt.

.

Thus, the answer is yes