I-131 Application For Travel?

On a separate sheet of papers, please explain how you qualify for an advance parole doent and what cirstances warrant issuance of advance parole. WHAT ARE THEY ASKING FOR ? I CAN ONLY FIND VAGUE UNHELPFUL INFORMATION ON THIS QUESTION. PLEASE HELP ! RUNNING OUT OF TIME AND MY PREGNANT WIFE WILL HAVE TO LEAVE THE COUNTRY !!!