Two people go down a water slide on a raft.
The people are sitting at the table.
Two people sitting at a table cannot be going down a water slide.
exists e1 s1 x1 x2 x3 x4.(a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_go(e1) & on(x2,x4) & n_raft(x4) & n_slide(x2) & of(x2,x3) & n_water(x3) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_table(x2) & n_people(x1) & at(e1,x2) & Actor(e1,x1) & v_sit(e1))