Some children wearing life jackets and holding paddles are in a raft.
some children run
The children are either running or are in a raft--these actions cannot be completed simultaneously
exists e1 e2 p1 x1 x2 x3 x4 x5.(exists x6.(in(x1,x6) & n_raft(x6)) & n_paddle(x3) & Actor(e2,x3) & v_hold(e2) & n_jacket(x2) & of(x2,x5) & n_life(x5) & Actor(e1,x2) & v_wear(e1) & of(x2,x4) & n_child(x4) & subset_of(x3,x1) & subset_of(x2,x1))
exists e1 x1.(Actor(e1,x1) & v_run(e1) & n_child(x1))