Two men playing guitar and one woman singing, performing in a band.
The band is playing at the summer festival.
Not all band perform at a summer festival.
exists e2 e1 x1 x2 x3 x4 x5.(in(e2,x5) & n_band(x5) & Actor(e2,x3) & v_perform(e2) & n_singing(x3) & of(x3,x4) & n_woman(x4) & card_eq_1(x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_guitar(x2) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(n_festival(x2) & of(x2,x3) & n_summer(x3) & n_band(x1) & at(e1,x2) & Actor(e1,x1) & v_play(e1))