Four women in a living room, three of which are clearly playing a musical instrument.
there is an all-woman rock band in the room
Playing musical instrument doesn't imply a rock band.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(a_clearly(s2) & Manner(e1,s2) & Theme(e1,x6) & Actor(e1,x5) & v_play(e1) & n_instrument(x6) & a_musical(s1) & Theme(s1,x6) & of(x5,x4) & n_three(x5) & a_topic(x1) & in(x1,x2) & (x2 = x4) & n_room(x2) & of(x2,x3) & n_living(x3) & n_woman(x1) & card_eq_4(x1))
exists p1 x1 x4.(n_room(x4) & exists s1 x2 x3.((x1 = x2) & in(x2,x4) & n_band(x2) & of(x2,x3) & n_rock(x3) & a_all-woman(s1) & Theme(s1,x2)))