A car with a bathtub on top participating in the Mongol Rally in'09.
A car is participating in the rally.
Sentence 2 is sentence 1 with less facts. They are both participating.
exists s1 s2 x1 x2 x3 x4 x5.(ne_org_rally(x4) & a_in'09(s2) & Theme(s2,x4) & (x4 = x5) & ne_org_mongol(x5) & a_topic(x1) & with(x1,x2) & on(x2,x3) & in(x3,x4) & n_participate(x3) & a_top(s1) & Theme(s1,x3) & n_bathtub(x2) & n_car(x1))
exists e1 x1 x2.(n_rally(x2) & in(e1,x2) & Actor(e1,x1) & v_participate(e1) & n_car(x1))