People using wheelchairs or for whom a long walk is difficult should ask the parking attendants for directions to parking nearest the Commencement site.
(People; using; wheelchairs) (a long walk; is; difficult) (People using wheelchairs or for whom a long walk is difficult; should ask; the parking attendants for directions)
People a long walk People using wheelchairs or for whom a long walk is difficult
using is should ask
wheelchairs
difficult
the parking attendants for directions