Several men are running in a race with at least 330 participants.
The men are riding tractors.
Running is on foot riding is while sitting.
exists e1 e2 s1 x1 x2 x3.(with(e1,e2) & a_at(e2) & Actor(e2,x3) & v_least(e2) & n_participant(x3) & card_eq_330(x3) & in(e1,x2) & n_race(x2) & Actor(e1,x1) & v_run(e1) & n_man(x1) & a_several(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_tractor(x2))