kids in orange life vests on sitting in a black raft
kids are on a raft
Sitting in a black raft is a rephrasing of on a raft.
exists e1 s1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & in(x1,x2) & in(e1,x6) & n_raft(x6) & a_black(s1) & Theme(s1,x6) & Actor(e1,x5) & v_sit(e1) & (x2 = x5) & n_vest(x2) & of(x2,x4) & n_life(x4) & of(x2,x3) & n_orange(x3) & n_kid(x1))
exists p1 x1.(exists x2.(on(x1,x2) & n_raft(x2)) & n_kid(x1))