The little boy crawls around next to the large glass windows.
Children are using roller skates in the house.
Crawling around contradicts with using roller skates.
exists e1 s1 s2 s3 x1 x2 x3.(n_window(x2) & of(x2,x3) & n_glass(x3) & a_large(s3) & Theme(s3,x2) & n_boy(x1) & a_little(s1) & Theme(s1,x1) & to(e1,x2) & r_next(e1) & a_around(s2) & Manner(e1,s2) & Actor(e1,x1) & v_crawl(e1))
exists e1 x1 x2 x3 x4.(n_house(x4) & Theme(e1,x2) & Actor(e1,x1) & v_use(e1) & in(x2,x4) & n_skate(x2) & of(x2,x3) & n_roller(x3) & n_child(x1))