Two guys having fun playing and singing a song.
Everyone who is here is currently being very quiet.
The guys cannot be very quiet while singing a song
exists e2 e1 x1 x2 x3 x4 x5.(Theme(e2,x5) & Actor(e2,x4) & v_sing(e2) & n_song(x5) & n_guy(x4) & card_eq_2(x4) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_playing(x2) & of(x2,x3) & n_fun(x3) & n_guy(x1) & card_eq_2(x1))
all x1.(n_person(x1) -> exists s1 s2 s3 x2.(a_currently(s3) & Manner(s2,s3) & r_very(s2) & Theme(s2,x1) & a_quiet(s2) & Theme(s1,x2) & a_here(s1) & (x1 = x2)))