A group of religious women praying.
Nobody is praying.
It cannot be true that nobody is praying if a group is praying
exists e1 s1 x1 x2 x3.(a_topic(x1) & of(x1,x2) & Actor(e1,x3) & v_pray(e1) & (x2 = x3) & n_woman(x2) & a_religious(s1) & Theme(s1,x2) & n_group(x1))
-exists e1 x1.(Actor(e1,x1) & v_pray(e1) & n_person(x1))