Two people walking up a staircase.
The people are sitting down
The people can either be walking up or sitting down.
exists e1 s1 x1 x2 x3.(a_topic(x1) & a_up(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x2) & v_walk(e1) & n_staircase(x3) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists e1 s1 x1.(n_people(x1) & a_down(s1) & Manner(e1,s1) & Actor(e1,x1) & v_sit(e1))