A young man in a stripe shirt is working on a laptop.
A young man sits behind his desktop computer.
Man cannot be using a laptop and desktop at same time.
exists e1 s1 s2 x1 x2 x3.(on(e1,x3) & n_laptop(x3) & Actor(e1,x1) & v_work(e1) & in(x1,x2) & n_shirt(x2) & a_stripe(s2) & Theme(s2,x2) & n_man(x1) & a_young(s1) & Theme(s1,x1))
exists e1 s1 x1 x2 x3.(behind(e1,x2) & n_computer(x2) & of(x2,x3) & n_desktop(x3) & of(x2,x1) & n_male(x1) & Actor(e1,x1) & v_sit(e1) & n_man(x1) & a_young(s1) & Theme(s1,x1))