A biker makes a high jump.
The biker does not ever do jumps on his bike.
A biker cannot make a high jump if he does not ever do jumps on his bike.
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_make(e1) & n_jump(x2) & a_high(s1) & Theme(s1,x2) & n_biker(x1))
exists x1 x3.(n_bike(x3) & of(x3,x1) & n_male(x1) & n_biker(x1) & -exists e1 s1 x2.(a_ever(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & on(x2,x3) & n_jump(x2)))