A group of people sitting beside a large beautiful fountain.
Nobody is sitting.
If nobody is sitting, a group can't be sitting.
exists e1 s1 s2 x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & beside(e1,x4) & n_fountain(x4) & a_beautiful(s2) & Theme(s2,x4) & a_large(s1) & Theme(s1,x4) & Actor(e1,x3) & v_sit(e1) & (x2 = x3) & n_people(x2) & n_group(x1))
-exists e1 x1.(Actor(e1,x1) & v_sit(e1) & n_person(x1))