A small boy in blue crawls along a windowsill.
There is a small child near the window.
Boy is a child. Crawling along a windowsill necessitates being near the window.
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 p1 x1 x3.(n_window(x3) & exists s1 x2.((x1 = x2) & near(x2,x3) & n_child(x2) & a_small(s1) & Theme(s1,x2)))