A small boy in yellow rides a bike very fast on a brick road.
A boy is being careful not to crash on his bike because has has no helmet.
You cant infer that the boy is being careful
exists s1 x1 x2.(all x3.(n_bike(x3) -> exists e1 s2 s3 x4 x5 x6 x7.(r_.(e1) & on(e1,x6) & n_road(x6) & of(x6,x7) & n_brick(x7) & Theme(e1,x2) & Actor(e1,x1) & v_event(e1) & in(x2,x4) & r_very(s3) & Theme(s3,x5) & a_fast(s3) & (x4 = x5) & for(x4,x3) & n_ride(x4) & a_yellow(s2) & Theme(s2,x4))) & n_boy(x2) & a_small(s1) & Theme(s1,x2) & n_thing(x1))
(x)