The camera focuses on two people's legs.
A camera is looking at legs.
A camera that focuses on legs for sure is looking at legs.
exists e1 x1 x2 x3.(n_camera(x1) & on(e1,x3) & n_leg(x3) & of(x3,x2) & n_people(x2) & card_eq_2(x2) & Actor(e1,x1) & v_focus(e1))
exists e1 x1 x2.(at(e1,x2) & n_leg(x2) & Actor(e1,x1) & v_look(e1) & n_camera(x1))