A man is in a red race car while another man is at the back of it.
There is a car.
A red race car is a car.
exists p1 p2 x1 x5.(n_back(x5) & exists p3 x4.(at(x4,x5) & of(x5,x1) & n_man(x4) & -(x4 = x1)) & n_thing(x1) & n_man(x1) & n_man(x1) & while(p1,p2) & exists s1 x2 x3.(in(x1,x2) & n_car(x2) & of(x2,x3) & n_race(x3) & a_red(s1) & Theme(s1,x2)))
exists p1 x1 x2.((x1 = x2) & n_car(x2))