Two girls are sitting at a table with a green marker standing up right on the table between them.
The marker is blue.
The marker is either green or blue.
exists e1 e2 s1 s2 x1 x2 x3 x4.(with(e1,x3) & between(e2,x1) & n_thing(x1) & r_right(e2) & on(e2,x2) & n_table(x2) & n_table(x2) & a_up(s2) & Manner(e2,s2) & Actor(e2,x4) & v_stand(e2) & (x3 = x4) & n_marker(x3) & a_green(s1) & Theme(s1,x3) & at(e1,x2) & Actor(e1,x1) & v_sit(e1) & n_girl(x1) & card_eq_2(x1))
exists s1 x1.(n_marker(x1) & Theme(s1,x1) & a_blue(s1))