A man in a green shirt is on the computer in a small room.
A man is on the internet doing research.
Being on a computer does not indicate being on the internet necessarily or that one is doing research.
exists p1 s1 x1 x2 x3.(n_computer(x3) & exists s2 x4.(on(x1,x3) & in(x3,x4) & n_room(x4) & a_small(s2) & Theme(s2,x4)) & in(x1,x2) & n_shirt(x2) & a_green(s1) & Theme(s1,x2) & n_man(x1))
exists p1 x1 x2.(n_internet(x2) & exists e1 x3 x4.(on(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_do(e1) & n_research(x4) & (x2 = x3)) & n_man(x1))