The man and woman are outside and something is drawing their attention.
A man and woman are looking up to the sky.
Something drawing their attention does not imply they are looking up to the sky.
exists e1 s1 x1 x2 x3 x4 x5.(n_attention(x5) & of(x5,x2) & n_thing(x2) & n_woman(x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1) & Theme(e1,x5) & Actor(e1,x4) & v_draw(e1) & n_thing(x4) & Theme(s1,x1) & a_outside(s1))
exists e1 s1 x1 x2 x3 x4.(n_sky(x4) & a_up(s1) & Manner(e1,s1) & to(e1,x4) & Actor(e1,x1) & v_look(e1) & n_woman(x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1))