Two people rafting down a river, a footbridge in the background.
Two people are on a river.
Rafting is usually done on a river.
exists e1 s1 x1 x2 x3 x4 x5.(n_background(x5) & a_topic(x1) & a_down(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x2) & v_raft(e1) & rel(x3,x4) & in(x4,x5) & n_footbridge(x4) & n_river(x3) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists p1 x1.(exists x2.(on(x1,x2) & n_river(x2)) & n_people(x1) & card_eq_2(x1))