A group of people are in front of a building with flags.
One solitary man is in front of a building with flags.
If there is a group of people, it cannot be a solitary man.
exists p1 x1 x2.(exists x3 x4 x5.(in(x1,x3) & of(x3,x4) & with(x4,x5) & n_flag(x5) & n_building(x4) & n_front(x3)) & of(x1,x2) & n_people(x2) & n_group(x1))
exists p1 s1 x1.(exists x2 x3 x4.(in(x1,x2) & of(x2,x3) & with(x3,x4) & n_flag(x4) & n_building(x3) & n_front(x2)) & n_man(x1) & a_solitary(s1) & Theme(s1,x1) & card_eq_1(x1))