A white dog emerges from a yellow tube on an obstacle course.
A cat is playing with a mouse.
A dog and a cat are different mammals.
exists e1 s1 s2 x1 x2 x3 x4.(on(e1,x3) & n_course(x3) & of(x3,x4) & n_obstacle(x4) & from(e1,x2) & n_tube(x2) & a_yellow(s2) & Theme(s2,x2) & Actor(e1,x1) & v_emerge(e1) & n_dog(x1) & a_white(s1) & Theme(s1,x1))
exists e1 x1 x2.(with(e1,x2) & n_mouse(x2) & Actor(e1,x1) & v_play(e1) & n_cat(x1))