A little boy is jumping in front of a fountain.
The fountain has a bench that the little boy is sitting on.
You cannot be both in front of and on a fountain.
exists e1 s1 x1 x2 x3.(in(e1,x2) & of(x2,x3) & n_fountain(x3) & n_front(x2) & Actor(e1,x1) & v_jump(e1) & n_boy(x1) & a_little(s1) & Theme(s1,x1))
exists e1 p1 s1 x1 x2 x3.(n_boy(x3) & a_little(s1) & Theme(s1,x3) & n_fountain(x1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & Topic(x2,p1) & exists e2 s2.(a_on(s2) & Manner(e2,s2) & Actor(e2,x3) & v_sit(e2)) & n_bench(x2))