Two women carrying grain on their head.
Two women are chatting while they carry grain.
Carrying grain does not mean they are chatting.
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_carry(e1) & on(x3,x4) & n_head(x4) & of(x4,x1) & n_thing(x1) & n_grain(x3) & (x1 = x2) & n_woman(x1) & card_eq_2(x1))
exists e1 p1 x1.(exists e2 x2.(Theme(e2,x2) & Actor(e2,x1) & v_carry(e2) & n_grain(x2)) & n_thing(x1) & while(e1,p1) & Actor(e1,x1) & v_chat(e1) & n_woman(x1) & card_eq_2(x1))