People and camels at a beach.
There are mammals outdoors.
People and camels are mammals. A beach is outdoors.
exists s1 x1 x2 x3.(a_topic(s1) & subset_of(x2,s1) & at(x2,x3) & n_beach(x3) & n_camel(x2) & subset_of(x1,s1) & n_people(x1))
exists p1 x1 x2 x3.((x1 = x2) & n_outdoors(x2) & of(x2,x3) & n_mammal(x3))