The setting sun outlines a group of four people and the surrounding trees.
The sun outlines four or more people in a park.
People are not assumed to be in a park.
exists e1 e2 x1 x2 x3 x4 x5 x6.(n_tree(x6) & Actor(e1,x6) & v_surround(e1) & n_set(x1) & Time(e2,x1) & Theme(e2,x3) & Actor(e2,x2) & v_outline(e2) & subset_of(x6,x3) & subset_of(x4,x3) & of(x4,x5) & n_people(x5) & card_eq_4(x5) & n_group(x4) & n_sun(x2))
exists e1 x1 x2 x3.(n_sun(x1) & in(e1,x3) & n_park(x3) & Theme(e1,x2) & Actor(e1,x1) & v_outline(e1) & ((n_people(x2) & card_eq_4(x2)) | exists s1.(n_people(x2) & a_more(s1) & Theme(s1,x2))))