Man skateboarding off of a ramp.
The guy skateboarding is about to biff it.
Skateboarders do not always biff it or fail when performing a jump off of a ramp.
exists e1 x1 x2 x3.(a_topic(x1) & of(e1,x3) & n_ramp(x3) & r_off(e1) & Actor(e1,x2) & v_skateboard(e1) & (x1 = x2) & n_man(x1))
exists p1 s1 x1 x2.(n_guy(x1) & Topic(s1,p1) & Actor(s1,x1) & a_about(s1) & exists e1.(Theme(e1,x2) & Actor(e1,x1) & v_biff(e1)) & n_thing(x2) & Time(x1,x2) & n_skateboarding(x2))