People on laptops in front pf a large window.
people on computers
Laptops are a type of computer.
all x1 s1.((n_window(x1) & a_large(s1) & Theme(s1,x1)) -> exists s2 x2 x3 x4.(a_topic(x2) & for(x2,x1) & on(x2,x3) & in(x3,x4) & n_pf(x4) & a_front(s2) & Theme(s2,x4) & n_laptop(x3) & n_people(x2)))
exists x1 x2.(a_topic(x1) & on(x1,x2) & n_computer(x2) & n_people(x1))