People conversing in a casual setting.
The people are sleeping in their beds.
You cannot be conversing and sleeping at the same time.
exists e1 s1 x1 x2 x3.(a_topic(x1) & in(e1,x3) & n_setting(x3) & a_casual(s1) & Theme(s1,x3) & Actor(e1,x2) & v_converse(e1) & (x1 = x2) & n_people(x1))
exists e1 x1 x2.(n_bed(x2) & of(x2,x1) & n_thing(x1) & n_people(x1) & in(e1,x2) & Actor(e1,x1) & v_sleep(e1))