Man with camera and bag walking up stairs
A man sitting on the stairs.
The man can't be walking and sitting at the same time.
exists e1 s1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & a_up(s1) & Manner(e1,s1) & Theme(e1,x6) & Actor(e1,x5) & v_walk(e1) & n_stair(x6) & (x1 = x5) & with(x1,x2) & n_bag(x4) & n_camera(x3) & subset_of(x4,x2) & subset_of(x3,x2) & n_man(x1))
exists e1 x1 x2 x3.(n_stair(x3) & a_topic(x1) & on(e1,x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_man(x1))