Rafters in a blue raft battle the river-rapids
rafters in a blue raft battle rapids in a rocky river
Not all river-rapids are in a rocky river.
exists s1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & n_river-rapid(x4) & (x2 = x4) & n_battle(x2) & of(x2,x3) & n_raft(x3) & a_blue(s1) & Theme(s1,x2) & n_rafter(x1))
exists s1 s2 x1 x2 x3 x4 x5.(a_topic(x1) & in(x1,x2) & in(x2,x5) & n_river(x5) & a_rocky(s2) & Theme(s2,x5) & n_rapid(x2) & of(x2,x4) & n_battle(x4) & of(x2,x3) & n_raft(x3) & a_blue(s1) & Theme(s1,x2) & n_rafter(x1))