A dad is entertaining his family by playing the guitar.
The dad plays country music under the starry night.
A dad playing guitar is not necessarily playing country music and does not necessarily do so under the starry night.
exists e1 e2 x1 x2 x3.(n_guitar(x3) & by(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_play(e2) & Theme(e1,x2) & Actor(e1,x1) & v_entertain(e1) & n_family(x2) & of(x2,x1) & n_male(x1) & n_dad(x1))
exists e1 s1 x1 x2 x3 x4.(n_night(x4) & a_starry(s1) & Theme(s1,x4) & n_dad(x1) & under(e1,x4) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_music(x2) & of(x2,x3) & n_country(x3))