Firefighters use the jaws of life on a red car.
Firefighters are riding in the firetruck on the way to a crash.
They cannot be riding on a car and firetruck simultaneously.
exists e1 s1 x1 x2 x3 x4.(n_jaw(x2) & on(e1,x4) & n_car(x4) & a_red(s1) & Theme(s1,x4) & Theme(e1,x2) & Actor(e1,x1) & v_use(e1) & of(x2,x3) & n_life(x3) & n_firefighter(x1))
exists e1 x1 x2 x3 x4.(n_firetruck(x4) & n_way(x2) & in(e1,x4) & on(e1,x2) & to(x2,x3) & n_crash(x3) & Actor(e1,x1) & v_ride(e1) & n_firefighter(x1))