A group of elders gathers outdoors.
A group of people is outside.
Elders are referred to as people and outdoors signifies it is outside.
exists x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & n_outdoors(x2) & of(x2,x4) & n_gather(x4) & of(x2,x3) & n_elder(x3) & n_group(x1))
exists s1 x1 x2.(Theme(s1,x1) & a_outside(s1) & of(x1,x2) & n_people(x2) & n_group(x1))