A woman plays the cello while looking on.
A woman plays the cello while looking on towards the stars in the sky.
You can not infer she is looking towards the stars.
exists e1 e2 s1 x1 x2.(n_cello(x2) & while(e1,e2) & a_on(s1) & Manner(e2,s1) & Actor(e2,x1) & v_look(e2) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_woman(x1))
exists e1 e2 x1 x2 x3 x4.(n_sky(x4) & n_star(x3) & n_cello(x2) & while(e1,e2) & r_on(e2) & towards(e2,x3) & in(x3,x4) & Actor(e2,x1) & v_look(e2) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_woman(x1))