a woman singing to her children.
A woman is talking on the phone while her children play.
Singing and talking on the phone cannot be done simultaneously.
exists e1 x1 x2 x3.(a_topic(x1) & to(e1,x3) & n_child(x3) & of(x3,x1) & n_female(x1) & Actor(e1,x2) & v_sing(e1) & (x1 = x2) & n_woman(x1))
exists e1 p1 x1 x2 x3.(n_child(x3) & of(x3,x2) & n_female(x2) & n_phone(x2) & exists e2.(Actor(e2,x3) & v_play(e2)) & while(e1,p1) & on(e1,x2) & Actor(e1,x1) & v_talk(e1) & n_woman(x1))