A dog jumps of a surfboard
A dog jumps off of a weegy board
not every surfboard is a weegy board
exists x1 x2 x3.(a_topic(x1) & of(x1,x3) & n_surfboard(x3) & n_jump(x1) & of(x1,x2) & n_dog(x2))
exists e1 s1 x1 x2.(r_off(e1) & of(e1,x2) & n_board(x2) & a_weegy(s1) & Theme(s1,x2) & Actor(e1,x1) & v_jump(e1) & n_dog(x1))