Four people enjoying the qualities of nature.
Four people love nature and the outdoors.
Nature is outdoors.
exists e1 x1 x2 x3 x4.(n_quality(x3) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_enjoy(e1) & of(x3,x4) & n_nature(x4) & (x1 = x2) & n_people(x1) & card_eq_4(x1))
exists e1 x1 x2 x3 x4.(n_outdoors(x4) & Theme(e1,x2) & Actor(e1,x1) & v_love(e1) & subset_of(x4,x2) & subset_of(x3,x2) & n_nature(x3) & n_people(x1) & card_eq_4(x1))