A woman playing guitar and singing in the foreground and three others performing behind her.
A woman is learning sign language in a class room.
Learning sign language doesn't involve playing guitar and singing.
exists e1 e2 x1 x2 x3 x4 x5 x6.(n_foreground(x5) & behind(e2,x1) & n_female(x1) & Actor(e2,x6) & v_perform(e2) & -(x6 = x1) & n_person(x1) & n_person(x6) & card_eq_3(x6) & in(e1,x5) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_singing(x4) & n_guitar(x3) & subset_of(x4,x2) & subset_of(x3,x2) & n_woman(x1))
exists e1 x1 x2 x3 x4 x5.(in(e1,x4) & n_room(x4) & of(x4,x5) & n_class(x5) & Recipient(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_learn(e1) & n_sign(x3) & n_language(x2) & n_woman(x1))