A man and a woman wait at a bus stop.
A man and a woman wait at a city bus stop.
It cannot be inferred that the bus stop is a city bus stop.
exists s1 x1 x2 x3 x4 x5.(a_topic(s1) & subset_of(x2,s1) & at(x2,x4) & n_stop(x4) & of(x4,x5) & n_bus(x5) & n_wait(x2) & of(x2,x3) & n_woman(x3) & subset_of(x1,s1) & n_man(x1))
exists s1 x1 x2 x3 x4 x5 x6.(a_topic(s1) & subset_of(x2,s1) & at(x2,x4) & n_stop(x4) & of(x4,x6) & n_bus(x6) & of(x4,x5) & n_city(x5) & n_wait(x2) & of(x2,x3) & n_woman(x3) & subset_of(x1,s1) & n_man(x1))