three young african-american girls smile for the camera.
Three girls taking a selfie.
Three girls smiling for a camera does not make them taking selfie. Any other person could have been taking a photograph of them.
exists e1 s1 s2 x1 x2.(n_camera(x2) & for(e1,x2) & Actor(e1,x1) & v_smile(e1) & n_girl(x1) & a_african-american(s2) & Theme(s2,x1) & a_young(s1) & Theme(s1,x1) & card_eq_3(x1))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_take(e1) & n_selfie(x3) & (x1 = x2) & n_girl(x1) & card_eq_3(x1))