syllolism with possiblity cases.............how to solve???

statements ::: ALL VACENCIES ARE JOBS. SOME JOBS ARE OCCUPATIONS.conclusion :::: ALL VACENCIES ARE OCCUPATIONS. ALL OCCUPATIONS BEING VACENCIES IS A POSSIBLITY.HOW TO SOLVE THIS TYPE OF PROBLEM.

statements ::: ALL VACENCIES ARE JOBS. SOME JOBS ARE OCCUPATIONS.conclusion :::: ALL VACENCIES ARE OCCUPATIONS. ALL OCCUPATIONS BEING VACENCIES IS A POSSIBLITY.HOW TO SOLVE THIS TYPE OF PROBLEM.