Two people wearing helmets are sitting in a race car.
Two people are sitting.
If they are sitting in a race car then they must be sitting
exists e1 e2 x1 x2 x3 x4 x5.(in(e2,x4) & n_car(x4) & of(x4,x5) & n_race(x5) & Actor(e2,x1) & v_sit(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_helmet(x3) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists e1 x1.(Actor(e1,x1) & v_sit(e1) & n_people(x1) & card_eq_2(x1))