The little boy in the red coat and tan pants is at the top of the slide, holding on to the handles of the slide.
Little boy is at the top of the slide to call everyone.
The little boy in the red coat and tan pants being at the top of the slide does not imply he is at the top of the slide to call everyone.
exists e1 p1 s1 s2 s3 x1 x2 x3 x4 x5 x6.(n_slide(x5) & n_slide(x5) & n_handle(x4) & n_top(x6) & n_pants(x2) & a_tan(s3) & Theme(s3,x2) & of(x2,x3) & n_coat(x3) & a_red(s2) & Theme(s2,x2) & n_boy(x1) & a_little(s1) & Theme(s1,x1) & for(p1,e1) & r_on(e1) & to(e1,x4) & of(x4,x5) & Actor(e1,x1) & v_hold(e1) & at(x1,x6) & of(x6,x5) & in(x1,x2))
exists p1 s1 x1 x2 x3.(n_slide(x3) & n_top(x2) & exists p2.(at(x1,x2) & of(x2,x3) & Topic(x3,p2) & all x4.(n_person(x4) -> exists e1.(Theme(e1,x4) & Actor(e1,x3) & v_call(e1)))) & n_boy(x1) & a_little(s1) & Theme(s1,x1))