Two women sitting on the ground knitting.
The people are sitting.
People refers to two ore more men or women.  To sit on the ground knitting is also sitting.
exists e1 x1 x2 x3 x4.(n_knitting(x3) & of(x3,x4) & n_ground(x4) & a_topic(x1) & on(e1,x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_woman(x1) & card_eq_2(x1))
exists e1 x1.(n_people(x1) & Actor(e1,x1) & v_sit(e1))