Men working on a photo shoot.
Men working on a pipeline.
A photo shoot and a pipeline are not the same.
exists e1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x3) & n_shoot(x3) & of(x3,x4) & n_photo(x4) & Actor(e1,x2) & v_work(e1) & (x1 = x2) & n_man(x1))
exists e1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_pipeline(x3) & Actor(e1,x2) & v_work(e1) & (x1 = x2) & n_man(x1))