an man in the north pole walking on ice.
The man is walking on ice.
If a man is walking on ice in the north pole, then it is true that he is walking on ice.
exists e1 x1 x2 x3 x4 x5.(n_pole(x2) & of(x2,x3) & n_north(x3) & a_topic(x1) & in(x1,x2) & on(e1,x5) & n_ice(x5) & Actor(e1,x4) & v_walk(e1) & (x2 = x4) & n_man(x1))
exists e1 x1 x2.(n_man(x1) & on(e1,x2) & n_ice(x2) & Actor(e1,x1) & v_walk(e1))