A man in a baseball cap is creating a sculpture of a man.
A person is sculpting one of their siblings.
A man is not necessarily one of their siblings.
exists e1 x1 x2 x3 x4 x5.(Theme(e1,x4) & Actor(e1,x1) & v_create(e1) & of(x4,x5) & n_man(x5) & n_sculpture(x4) & in(x1,x2) & n_cap(x2) & of(x2,x3) & n_baseball(x3) & n_man(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_sculpt(e1) & of(x2,x3) & n_sibling(x3) & of(x3,x1) & n_thing(x1) & n_thing(x2) & card_eq_1(x2) & n_person(x1))