Essays / "Choosing a Career is very difficult"; thesis statement [4]

The question is the one sentence prompt above."Choosing a Career is very difficult".Students are required to write a 250 word essay.

Fresh graduates usually believe that their lives after university will be smooth sailing.However,another hurdle awaits them in the form of career choosing.The qualificationss,skills and experience required causes it to become a difficult task.

*i don't really understand how a thesis statement is actually written so comments are really appreciated.thank you.