A boy crawls under a house outside.
There is a boy crawling to reach a toy.
Crawling under a house does not imply trying to reach a toy.
exists e1 x1 x2 x3.(under(e1,x2) & n_outside(x2) & of(x2,x3) & n_house(x3) & Actor(e1,x1) & v_crawl(e1) & n_boy(x1))
exists p1 x1 e1 p2 x2 x3.((x1 = x2) & Topic(e1,p2) & Actor(e1,x3) & v_crawl(e1) & exists e2 x4.(Theme(e2,x4) & Actor(e2,x3) & v_reach(e2) & n_toy(x4)) & (x2 = x3) & n_boy(x2))