Two girls sitting at a table, one with her head on the table, the other with her head resting on the short wall.
The girls are sitting down.
Are sitting down is a rephrasing for sitting.
exists e2 e1 s1 x1 x2 x3 x4 x5 x6.(n_wall(x6) & a_short(s1) & Theme(s1,x6) & n_other(x5) & on(e2,x6) & Actor(e2,x5) & v_rest(e2) & with(x5,x4) & n_head(x4) & n_head(x4) & of(x4,x2) & n_female(x2) & n_female(x2) & on(e1,x2) & n_table(x2) & n_table(x2) & at(e1,x2) & rel(x2,x3) & with(x3,x4) & n_thing(x3) & card_eq_1(x3) & Actor(e1,x1) & v_sit(e1) & n_girl(x1) & card_eq_2(x1))
exists e1 s1 x1.(n_girl(x1) & a_down(s1) & Manner(e1,s1) & Actor(e1,x1) & v_sit(e1))