A group of people in a dimly lit nightclub.
People swimming in a lake
The group of people can only be either at the nightclub in swimming in the lake.
exists s1 x1 x2 x3.(a_topic(x1) & of(x1,x2) & in(x2,x3) & n_nightclub(x3) & a_lit(s1) & Theme(s1,x3) & r_dimly(x3) & n_people(x2) & n_group(x1))
exists x1 x2 x3.(a_topic(x1) & in(x1,x3) & n_lake(x3) & n_swimming(x1) & of(x1,x2) & n_people(x2))