Young adults are playing musical instruments.
These people are making music
adults and people are the same and so is making music and musical instruments
exists e1 s1 s2 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_instrument(x2) & a_musical(s2) & Theme(s2,x2) & n_adult(x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_people(x1) & Theme(e1,x2) & Actor(e1,x1) & v_make(e1) & n_music(x2))