Four musicians playing in a church.
A man playing at a school.
A man is not four musicians and a church is not a school.
exists e1 x1 x2 x3.(a_topic(x1) & in(e1,x3) & n_church(x3) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_musician(x1) & card_eq_4(x1))
exists e1 x1 x2 x3.(a_topic(x1) & at(e1,x3) & n_school(x3) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_man(x1))