A person is sliding down a slide with a coat, jacket, gloves, and boots on.
A person is going down a slide.
In reference to a slide, sliding down and going down are perfectly synonymous.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6 x7.(a_on(s2) & Manner(e1,s2) & a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_slide(e1) & subset_of(x7,x2) & n_boot(x7) & subset_of(x3,x2) & with(x3,x4) & rel(x4,x5) & rel(x5,x6) & n_glove(x6) & n_jacket(x5) & n_coat(x4) & n_slide(x3) & n_person(x1))
exists e1 s1 x1 x2.(a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_go(e1) & n_slide(x2) & n_person(x1))