Please answer the following question by reasoning step-by-step.
What might people do to protect their legs from getting dirty on the farm?\nOptions:\n- wear jeans\n- milk cow\n- believe in god\n- avoid mud\n- plant flowers

wear jeans
People wear full clothing in order to avoid getting dirty.

Jeans is a full clothing for legs.

People on farms wear jeans to protect their legs from getting dirty.

.

The answer is wear jeans