a man stands in a white ice cream truck.
A man is driving a car.
A man that stands in an ice cream truck cannot be driving a car simultaneously.
exists e1 s1 x1 x2 x3 x4.(in(e1,x2) & n_truck(x2) & of(x2,x4) & n_cream(x4) & of(x2,x3) & n_ice(x3) & a_white(s1) & Theme(s1,x2) & Actor(e1,x1) & v_stand(e1) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_drive(e1) & n_car(x2) & n_man(x1))