A group of men and women are in the carnival ride.
People are at a carnival.
in the carnival ride implies   at a carnival.
exists p1 s1 x1 x2 x3 x4 x5.(n_ride(x5) & a_carnival(s1) & Theme(s1,x5) & in(x1,x5) & of(x1,x2) & n_woman(x4) & n_man(x3) & subset_of(x4,x2) & subset_of(x3,x2) & n_group(x1))
exists p1 x1.(exists x2.(at(x1,x2) & n_carnival(x2)) & n_people(x1))