The four older adults in the room are talking to each other.
No one is talking to eatch other in the room.
The four older adults could not have been talking to each other if no one is talking to each other.
exists e1 s1 x1 x2.(n_room(x2) & n_adult(x1) & r_more(s1) & a_older(s1) & Theme(s1,x1) & card_eq_4(x1) & all x3.(n_other(x3) -> to(e1,x3)) & Actor(e1,x1) & v_talk(e1) & in(x1,x2))
exists x3.(n_room(x3) & -exists x1.(-exists e1 p1 x2.(Topic(e1,p1) & exists e2 p2.(in(e2,x3) & exists s1.(Theme(s1,x1) & a_other(s1)) & Topic(e2,p2) & Actor(e2,x1) & v_eatch(e2)) & Actor(e1,x2) & v_talk(e1) & n_one(x2)) & n_one(x1)))