Young boy bowling with a ball between his legs.
Grandparent is bowling.
A young boy cannot be a grandparent.
exists s1 x1 x2 x3 x4.(a_topic(x1) & with(x1,x3) & between(x3,x4) & n_leg(x4) & of(x4,x1) & n_male(x1) & n_ball(x3) & n_bowling(x1) & of(x1,x2) & n_boy(x2) & a_young(s1) & Theme(s1,x1))
exists e1 x1.(ne_nam_grandparent(x1) & Actor(e1,x1) & v_bowl(e1))