Given the sentence "A man wearing orange reflective clothing and a red hard hat shovels watery mud next to a low cement wall." is it true that "A man is working for a construction firm."?
Let’s work this out in a step by step way to be sure we have the right answer.
it is not possible to tell
The man may appear to be a construction worker but that does not mean he works for a construction firm.

.

So, the answer is it is not possible to tell