Two male band members are playing guitars in front of a microphone.
The males are playing an instrument.
Guitars are a type of instrument.
exists e1 s1 x1 x2 x3 x4 x5.(in(e1,x4) & of(x4,x5) & n_microphone(x5) & n_front(x4) & Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & n_guitar(x3) & n_member(x1) & of(x1,x2) & n_band(x2) & a_male(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 x1 x2.(n_male(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_instrument(x2))