A man in a white shirt talks to a group of seven children.
There are eight people.
If you add the one man to the seven children, that makes 8 total people
exists s1 x1 x2 x3 x4 x5.(a_topic(x1) & in(x1,x2) & to(x2,x4) & of(x4,x5) & n_child(x5) & card_eq_7(x5) & n_group(x4) & n_talk(x2) & of(x2,x3) & n_shirt(x3) & a_white(s1) & Theme(s1,x2) & n_man(x1))
exists p1 x1 x2.((x1 = x2) & n_people(x2) & card_eq_8(x2))