A young man dressed in black is playing a Yamaha musical instrument.
Someone is engaging in a musical experience.
A man playing a Yamaha instrument doesn't have to be experienced.
exists e1 e2 s1 s2 s3 x1 x2 x3 x4 x5.(Theme(e2,x4) & Actor(e2,x1) & v_play(e2) & n_instrument(x4) & a_musical(s3) & Theme(s3,x4) & (x4 = x5) & ne_org_yamaha(x5) & Theme(e1,s2) & Theme(s2,x3) & a_black(s2) & Theme(e1,x2) & v_dress(e1) & (x1 = x2) & n_man(x1) & a_young(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(in(e1,x2) & n_experience(x2) & a_musical(s1) & Theme(s1,x2) & Actor(e1,x1) & v_engage(e1) & n_person(x1))