A group of multi-ethnic young people sit in a circle on grass next to a hill.
The group contains both men and women.
A multi-ethnic group does not have to contain both men and women because it is on the grass.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(on(e1,x4) & to(x5,x6) & n_hill(x6) & next(x4,x5) & n_thing(x5) & n_grass(x4) & in(e1,x3) & n_circle(x3) & Actor(e1,x1) & v_sit(e1) & of(x1,x2) & n_people(x2) & a_young(s2) & Theme(s2,x2) & a_multi-ethnic(s1) & Theme(s1,x2) & n_group(x1))
exists e1 x1 x2 x3 x4.(n_woman(x4) & n_man(x3) & subset_of(x4,x2) & subset_of(x3,x2) & n_group(x1) & Theme(e1,x2) & Actor(e1,x1) & v_contain(e1))