A person in purple carrying a large metal object.
The person is not carrying anything.
one person is carrying something while the other is not carrying anything
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & Theme(e1,x4) & Actor(e1,x3) & v_carry(e1) & n_object(x4) & of(x4,x5) & n_metal(x5) & a_large(s1) & Theme(s1,x4) & (x1 = x3) & in(x1,x2) & n_purple(x2) & n_person(x1))
exists x1.(n_person(x1) & -all x2.(n_thing(x2) -> exists e1.(Theme(e1,x2) & Actor(e1,x1) & v_carry(e1))))