Two men are having a conversation while sitting on the patio.
The rock and fast 7
It is not mandatory that they are having a conversation about the rock and the fast 7.
exists e1 e2 x1 x2 x3.(n_patio(x3) & while(e1,e2) & on(e2,x3) & Actor(e2,x1) & v_sit(e2) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_conversation(x2) & n_man(x1) & card_eq_2(x1))
exists s1 s2 x1 x2.(n_rock(x1) & a_topic(s1) & subset_of(x2,s1) & n_date(x2) & a_date_day_07(x2) & a_date_day_07(x2) & a_fast(s2) & Theme(s2,x2) & subset_of(x1,s1))