A boy wearing a blue swimsuit begins to slide down a water slide.
The boy is swimming.
A boy in a swimsuit will be swimming.
exists e2 e1 p1 s1 x1 x2 x3.(Topic(e2,p1) & Actor(e2,x1) & v_begin(e2) & exists e3 x4 x5.(down(e3,x4) & n_slide(x4) & of(x4,x5) & n_water(x5) & Actor(e3,x1) & v_slide(e3)) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_swimsuit(x3) & a_blue(s1) & Theme(s1,x3) & (x1 = x2) & n_boy(x1))
exists p1 x1.(n_boy(x1) & exists x2.((x1 = x2) & n_swimming(x2)))