A man in the blue shirt is playing a song on his guitar while a woman and a child listen.
The man is playing music for his family.
Just because the man is playing for a woman and a child, doesn't mean they are his family.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6 x7 x8.(n_guitar(x6) & of(x6,x3) & n_male(x3) & n_shirt(x3) & a_blue(s1) & Theme(s1,x3) & Actor(e2,x1) & v_listen(e2) & subset_of(x8,x1) & n_child(x8) & subset_of(x2,x1) & in(x2,x3) & while(e1,x7) & n_woman(x7) & on(e1,x6) & Theme(e1,x5) & Actor(e1,x4) & v_play(e1) & n_song(x5) & (x3 = x4) & n_man(x2))
exists e1 x1 x2 x3.(n_family(x3) & of(x3,x1) & n_male(x1) & n_man(x1) & for(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_music(x2))