Young man on a sofa fingers a large electronic keyboard device.
A man gets ready to play a song.
Just because the man is messing with a keyboard doesn't mean he is ready to play a song.
exists s1 x1.(all s3 s2 x3 x2.((n_device(x2) & of(x2,x3) & n_keyboard(x3) & a_electronic(s3) & Theme(s3,x2) & a_large(s2) & Theme(s2,x2)) -> exists s4 x4.(a_topic(x1) & on(x1,x4) & for(x4,x2) & n_finger(x4) & a_sofa(s4) & Theme(s4,x4))) & n_man(x1) & a_young(s1) & Theme(s1,x1))
exists e1 p1 x1.(exists p2 s1.(Topic(s1,p2) & Actor(s1,x1) & a_ready(s1) & exists e2 x2.(Theme(e2,x2) & Actor(e2,x1) & v_play(e2) & n_song(x2))) & Topic(e1,p1) & Actor(e1,x1) & v_get(e1) & n_man(x1))