A young main is using an Apple computer.
The man is installing windows updates
Apple computers do not use a windows operating system.
exists e1 s1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_use(e1) & n_computer(x2) & (x2 = x3) & ne_nam_apple(x3) & n_main(x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_install(e1) & n_update(x2) & of(x2,x3) & n_window(x3))