Man in wheelchair is assisted in boarding the subway by a services employee.
A person missing a leg is helped onto the 3:16 train.
Saying a man is in a wheelchair does not imply he is missing a leg.
exists e2 e1 x1 x2 x3 x4 x5.(n_subway(x5) & in(e1,e2) & Theme(e2,x5) & Actor(e2,x1) & v_board(e2) & Actor(e1,x3) & n_employee(x3) & of(x3,x4) & n_service(x4) & Theme(e1,x1) & v_assist(e1) & in(x1,x2) & n_wheelchair(x2) & n_man(x1))
exists e2 e1 s1 x1 x2 x3 x4.(n_train(x4) & a_3:16(s1) & Theme(s1,x4) & onto(e2,x4) & Theme(e2,x1) & v_help(e2) & Theme(e1,x3) & Actor(e1,x2) & v_miss(e1) & n_leg(x3) & (x1 = x2) & n_person(x1))