Men turn to the camera to smile on the middle of three long tables in a refectory.
The man is smiling while working.
Just because on the middle of three long tables in a refectory does not mean working.
exists p1 x1 x2 x3 x4.(n_middle(x4) & n_camera(x3) & a_topic(x1) & Topic(x1,p1) & exists e1 s1 x5 x6.(in(e1,x6) & n_refectory(x6) & on(e1,x4) & of(x4,x5) & n_table(x5) & a_long(s1) & Theme(s1,x5) & card_eq_3(x5) & Actor(e1,x1) & v_smile(e1)) & to(x1,x3) & n_turn(x1) & of(x1,x2) & n_man(x2))
exists e2 e1 x1.(n_man(x1) & while(e1,e2) & Actor(e2,x1) & v_work(e2) & Actor(e1,x1) & v_smile(e1))