Three people sing into a microphone.
Three people sing karaoke together.
Not all people singing into a microphone are singing karaoke together.
exists e1 x1 x2.(into(e1,x2) & n_microphone(x2) & Actor(e1,x1) & v_sing(e1) & n_people(x1) & card_eq_3(x1))
exists e1 s1 x1 x2.(a_together(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_sing(e1) & n_karaoke(x2) & n_people(x1) & card_eq_3(x1))