A man playing an instrument while others sit at a table and watch.
The man has experience in music.
instrument like drums, are play when musicians are playing  music
exists e1 p1 x1 x2 x3.(a_topic(x1) & exists e2 x4 x5 x6 x7.(at(e2,x5) & n_watch(x7) & n_table(x6) & subset_of(x7,x5) & subset_of(x6,x5) & Actor(e2,x4) & v_sit(e2) & -(x4 = x1) & n_person(x4)) & n_person(x1) & while(e1,p1) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_instrument(x3) & (x1 = x2) & n_man(x1))
exists e1 x1 x2 x3.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & in(x2,x3) & n_music(x3) & n_experience(x2))