A small boy in blue crawls along a windowsill.
The boy is standing across from the window.
Crawling contradicts with standing.
exists s1 s2 x1 x2 x3.(a_topic(x1) & in(x1,x2) & along(x2,x3) & n_windowsill(x3) & n_crawl(x2) & a_blue(s2) & Theme(s2,x2) & n_boy(x1) & a_small(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(n_window(x2) & n_boy(x1) & from(e1,x2) & a_across(s1) & Manner(e1,s1) & Actor(e1,x1) & v_stand(e1))