A boy sitting down at the park.
A boy is outside.
A park is outside so the boy must be outside.
exists e1 s1 x1 x2 x3.(n_park(x3) & a_topic(x1) & at(e1,x3) & a_down(s1) & Manner(e1,s1) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_boy(x1))
exists s1 x1.(Theme(s1,x1) & a_outside(s1) & n_boy(x1))