A woman is running and looking behind her shoulder.
A woman is running and looking behind her at her boyfriend.
Just because a woman is looking behind her, does not mean she is looking at her boyfriend.
exists e2 e1 x1 x2 x3.(behind(e2,x3) & n_shoulder(x3) & of(x3,x1) & n_female(x1) & Actor(e2,x2) & v_look(e2) & n_woman(x2) & Actor(e1,x1) & v_run(e1) & n_woman(x1))
exists e2 e1 x1 x2 x3 x4 x5 x6.(at(e2,x6) & n_boyfriend(x6) & of(x6,x5) & n_female(x5) & behind(e2,x4) & n_her(x4) & Actor(e2,x3) & v_look(e2) & n_woman(x3) & at(e1,x2) & n_boyfriend(x2) & of(x2,x1) & n_female(x1) & Actor(e1,x1) & v_run(e1) & n_woman(x1))