Some joggers resting on a bench.
Male and female joggers rest on a bench.
We can not assume the joggers are a male and a female, this could be a group of all male or all female joggers.
exists e1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_bench(x3) & Actor(e1,x2) & v_rest(e1) & (x1 = x2) & n_jogger(x1))
exists s1 s2 x1 x2 x3.(a_topic(x1) & on(x1,x3) & n_bench(x3) & n_rest(x1) & of(x1,x2) & n_jogger(x2) & a_female(s2) & Theme(s2,x1) & a_male(s1) & Theme(s1,x1))