In this photo, two men are boxing.
Two professional boxers.
In this photo, two men are boxing does not mean that they are professional boxers.
exists e1 x1 x2.(n_photo(x2) & in(e1,x2) & Actor(e1,x1) & v_box(e1) & n_man(x1) & card_eq_2(x1))
exists s1 s2 x1.(n_boxer(x1) & a_professional(s2) & Theme(s2,x1) & a_.(s1) & Theme(s1,x1) & card_eq_2(x1) & a_topic(x1))