Two men in graduation regalia are quietly whispering.
Two graduates whisper about something.
Just because men are wearing graduation regalia does not mean they are graduates.
exists e1 s1 x1 x2 x3.(a_quietly(s1) & Manner(e1,s1) & Actor(e1,x1) & v_whisper(e1) & in(x1,x2) & n_regalia(x2) & of(x2,x3) & n_graduation(x3) & n_man(x1) & card_eq_2(x1))
exists x1 x2 x3.(a_topic(x1) & about(x1,x3) & n_thing(x3) & n_whisper(x1) & of(x1,x2) & n_graduate(x2) & card_eq_2(x1))