An elderly gentleman is exiting a building.
An old man has a cane.
It cannot be inferred that the elderly man needs a cane.
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_exit(e1) & n_building(x2) & n_gentleman(x1) & a_elderly(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_cane(x2) & n_man(x1) & a_old(s1) & Theme(s1,x1))