A little boy stands wide-legged, each foot on each side of the tube slide.
A proud boy is showing off in front of his mother.
The boy stands like that for various reason not particularly for being proud and showing off before mother
exists e1 p1 s1 x1 x4 x5.(n_slide(x4) & of(x4,x5) & n_tube(x5) & all x2.(n_foot(x2) -> all x3.(n_side(x3) -> (rel(e1,x2) & on(x2,x3) & of(x3,x4)))) & exists s2.(Theme(s2,x1) & a_wide-legged(s2)) & Topic(e1,p1) & Actor(e1,x1) & v_stand(e1) & n_boy(x1) & a_little(s1) & Theme(s1,x1))
exists e1 s1 s2 x1 x2 x3.(in(e1,x2) & of(x2,x3) & n_mother(x3) & of(x3,x1) & n_male(x1) & n_front(x2) & a_off(s2) & Manner(e1,s2) & Actor(e1,x1) & v_show(e1) & n_boy(x1) & a_proud(s1) & Theme(s1,x1))