Two people wearing hats sit and look at the camera.
two people sitting and reviewing photos on a camera
Just because two people and looking at the camera does not mean they are reviewing photos.
exists e3 e1 e4 e2 x1 x2 x3 x4 x5 x6 x7.(n_camera(x7) & at(e4,x7) & Actor(e4,x4) & v_look(e4) & Theme(e3,x6) & Actor(e3,x5) & v_wear(e3) & n_hat(x6) & (x4 = x5) & n_people(x4) & card_eq_2(x4) & Actor(e2,x1) & v_sit(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_hat(x3) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists e1 e2 x1 x2 x3 x4 x5.(a_topic(x1) & on(e2,x5) & n_camera(x5) & Theme(e2,x4) & Actor(e2,x3) & v_review(e2) & n_photo(x4) & (x1 = x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_people(x1) & card_eq_2(x1))