On stage a man with a microphone and a man with a saxophone perform.
There is a man playing a saxophone.
In order to perform with a saxophone, the man would have to be playing it.
exists e1 x1 x2 x3 x4 x5 x6.(on(e1,x6) & n_stage(x6) & Actor(e1,x1) & v_perform(e1) & with(x1,x2) & subset_of(x4,x2) & with(x4,x5) & n_saxophone(x5) & n_man(x4) & subset_of(x3,x2) & n_microphone(x3) & n_man(x1))
exists p1 x1 e1 x2 x3 x4.((x1 = x2) & Theme(e1,x4) & Actor(e1,x3) & v_play(e1) & n_saxophone(x4) & (x2 = x3) & n_man(x2))