A man is playing the drums.
A guy bangs away noisily.
not all people bangs drums.
exists e1 x1 x2.(n_drum(x2) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_man(x1))
exists x1 x2.(a_topic(x1) & n_away(x1) & r_noisily(x1) & Time(x1,x2) & n_bang(x2) & n_guy(x1))