Women and children with strollers in a library.
People in a library.
Women and children are people and they are in a library.
exists s1 x1 x2 x3 x4.(a_topic(s1) & subset_of(x2,s1) & with(x2,x3) & in(x3,x4) & n_library(x4) & n_stroller(x3) & n_child(x2) & subset_of(x1,s1) & n_woman(x1))
exists x1 x2.(a_topic(x1) & in(x1,x2) & n_library(x2) & n_people(x1))