A young girls falls and cries in the desert.
A young girl is riding on a camel in the desert.
The girl either falls and cries or she is riding on a camel, but not both.
exists e1 e2 s1 s2 x1 x2 x3.(n_desert(x3) & in(e2,x3) & Actor(e2,x2) & v_cry(e2) & n_girl(x2) & a_young(s2) & Theme(s2,x2) & Actor(e1,x1) & v_fall(e1) & n_girl(x1) & a_young(s1) & Theme(s1,x1))
exists e1 s1 x1 x2 x3.(n_desert(x3) & in(e1,x3) & on(e1,x2) & n_camel(x2) & Actor(e1,x1) & v_ride(e1) & n_girl(x1) & a_young(s1) & Theme(s1,x1))