A man in front of a lake cleaning fish in a striped shirt.
A man is cleaning fish is wearing black pants.
Not all men cleaning fix in a striped shirt are wearing black pants.
exists s1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & in(x1,x2) & of(x2,x3) & in(x3,x6) & n_shirt(x6) & a_striped(s1) & Theme(s1,x6) & n_fish(x3) & of(x3,x5) & n_cleaning(x5) & of(x3,x4) & n_lake(x4) & n_front(x2) & n_man(x1))
exists e1 e2 s1 x1 x2 x3 x4.(Theme(e2,x4) & Actor(e2,x1) & v_wear(e2) & n_pants(x4) & a_black(s1) & Theme(s1,x4) & Theme(e1,x3) & Actor(e1,x2) & v_clean(e1) & n_fish(x3) & (x1 = x2) & n_man(x1))