I'll give you a question, please answer with step-by-step reasoning process.
If "People working to clear the debris and excess materials after building highway bridge." does that mean that "They are prepping for earth day."?\nOptions:\n- yes\n- it is not possible to tell\n- no

it is not possible to tell
People can be working to clear the debris and excess materials without prepping for Earth Day.

.

Thus, the answer is it is not possible to tell