The boy is coming down the amusement slide on his knees.
The boy is coming down the red slide.
Just because a boy is coming down a slide does not mean that the slide is red.
exists e1 x1 x2 x3 x4.(n_knee(x4) & of(x4,x2) & n_male(x2) & n_slide(x2) & of(x2,x3) & n_amusement(x3) & n_boy(x1) & down(e1,x2) & on(x2,x4) & Actor(e1,x1) & v_come(e1))
exists e1 s1 s2 x1 x2.(n_slide(x2) & a_red(s2) & Theme(s2,x2) & n_boy(x1) & Time(e1,x2) & a_down(s1) & Manner(e1,s1) & Actor(e1,x1) & v_come(e1))