A man playing two saxes with more members of a performance group in the background.
A man is playing guitar while on stage with his band
It is impossible to play two saxes and a guitar because the man does not have enough hands to play them all at once.
exists e1 s1 x1 x2 x3 x4 x5 x6 x7.(n_background(x7) & a_topic(x1) & in(e1,x7) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & with(x3,x4) & of(x4,x5) & n_group(x5) & of(x5,x6) & n_performance(x6) & n_member(x4) & a_more(s1) & Theme(s1,x4) & n_sax(x3) & card_eq_2(x3) & (x1 = x2) & n_man(x1))
exists e1 x1 x2 x3 x4.(with(e1,x4) & n_band(x4) & of(x4,x1) & n_male(x1) & on(e1,x3) & n_stage(x3) & r_while(e1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_guitar(x2) & n_man(x1))