A man sitting in a chair playing a drum like instrument.
A woman playing the flute while laying in bed.
The flute played by the woman while she is in bed, is not the same as the drum played by the man who is not laying in bed but sitting in a chair.
exists e1 e2 x1 x2 x3 x4 x5.(a_topic(x1) & for(e1,e2) & Theme(e2,x4) & Actor(e2,x2) & v_play(e2) & like(x4,x5) & n_instrument(x5) & n_drum(x4) & in(e1,x3) & n_chair(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_man(x1))
exists e1 e2 x1 x2 x3 x4.(n_flute(x3) & a_topic(x1) & while(e1,e2) & in(e2,x4) & n_bed(x4) & Actor(e2,x2) & v_lay(e2) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_woman(x1))