A man on a bicycle performing a jump.
The man never learned to ride a bike.
Performing is different than never learned to ride.
exists e1 x1 x2 x3 x4.(a_topic(x1) & on(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_perform(e1) & n_jump(x4) & (x2 = x3) & n_bicycle(x2) & n_man(x1))
exists e1 p1 s1 x1.(n_man(x1) & a_never(s1) & Manner(e1,s1) & Topic(e1,p1) & Actor(e1,x1) & v_learn(e1) & exists e2 x2.(Theme(e2,x2) & Actor(e2,x1) & v_ride(e2) & n_bike(x2)))