A person rides an ATV through the desert.
A person is travelling in the desert.
One who rides an ATV is travelling.
exists e1 x1 x2 x3.(n_desert(x3) & through(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & ne_org_atv(x2) & n_person(x1))
exists e1 x1 x2.(n_desert(x2) & in(e1,x2) & Actor(e1,x1) & v_travel(e1) & n_person(x1))