Cyclist number forty-eight treks through the mud.
A dirt biker skids around a corner.
one is a bicycle, the other is a powered dirt bike
exists x1 x2 x3 x4.(n_mud(x4) & a_topic(x1) & through(x1,x4) & n_trek(x1) & card_eq_48(x1) & of(x1,x3) & n_number(x3) & (x1 = x2) & ne_nam_cyclist(x2))
exists x1 x2 x3 x4.(a_topic(x1) & around(x1,x4) & n_corner(x4) & n_skid(x1) & of(x1,x3) & n_biker(x3) & of(x1,x2) & n_dirt(x2))