A group of people play on bamboo rafts in a waterfall fed pool surrounded by a lush forest.
The bamboo raft is sinking with everyone on it.
"Bamboo raft" is referring to one raft while "bamboo rafts" is plural and referring to multiple rafts.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6 x7 x8 x9.(in(e1,x5) & Actor(e2,x9) & n_forest(x9) & a_lush(s1) & Theme(s1,x9) & Theme(e2,x8) & v_surround(e2) & (x5 = x8) & n_pool(x5) & of(x5,x7) & n_fed(x7) & of(x5,x6) & n_waterfall(x6) & on(e1,x3) & n_raft(x3) & of(x3,x4) & n_bamboo(x4) & Actor(e1,x1) & v_play(e1) & of(x1,x2) & n_people(x2) & n_group(x1))
exists e1 x1 x2.(n_thing(x1) & n_raft(x1) & of(x1,x2) & n_bamboo(x2) & all x3.(n_person(x3) -> (with(e1,x3) & on(x3,x1))) & Actor(e1,x1) & v_sink(e1))