A man is holding a blue fishing net in front of some rocks.
A man is standing near a river.
Just because he is in front of some rocks and holding a fishing net does not mean he is standing near a river.
exists e1 s1 x1 x2 x3 x4 x5.(in(e1,x4) & of(x4,x5) & n_rock(x5) & n_front(x4) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_net(x2) & of(x2,x3) & n_fishing(x3) & a_blue(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2.(near(e1,x2) & n_river(x2) & Actor(e1,x1) & v_stand(e1) & n_man(x1))