A small child is riding on a toboggan.
It is snowing very hard.
Riding a toboggan does not imply snowing very hard.
exists e1 s1 x1 x2.(on(e1,x2) & n_toboggan(x2) & Actor(e1,x1) & v_ride(e1) & n_child(x1) & a_small(s1) & Theme(s1,x1))
exists e1 p1 x1.(n_thing(x1) & exists s1.(r_very(s1) & Theme(s1,x1) & a_hard(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_snow(e1))