Eight people enjoy the fun of rafts and the beauty of a waterfall.
A group takes part in outdoor activity.
Eight people are a group and rafting is an outdoor activity.
exists e1 x1 x2 x3 x4 x5 x6.(n_beauty(x5) & n_fun(x3) & Theme(e1,x2) & Actor(e1,x1) & v_enjoy(e1) & subset_of(x5,x2) & of(x5,x6) & n_waterfall(x6) & subset_of(x3,x2) & of(x3,x4) & n_raft(x4) & n_people(x1) & card_eq_8(x1))
exists e1 s1 x1 x2 x3.(in(e1,x3) & n_activity(x3) & a_outdoor(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & n_part(x2) & n_group(x1))