A man dressed in white plays a keyboard as his band performs.
The man in white is playing a saxophone.
The musician can either play the keyboard or the guitar, not both.
exists e1 x1 x2 x3 x4.(a_topic(x1) & all x5.(n_keyboard(x5) -> exists s1 x6.(in(e1,x6) & for(x6,x5) & n_play(x6) & a_white(s1) & Theme(s1,x6))) & as(e1,x3) & n_perform(x3) & of(x3,x4) & n_band(x4) & of(x3,x1) & n_male(x1) & Theme(e1,x2) & v_dress(e1) & (x1 = x2) & n_man(x1))
exists e1 x1 x2 x3.(n_man(x1) & Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & n_saxophone(x3) & in(x1,x2) & n_white(x2))