A boy is suspended in a bouncy harness in front of a marina.
No one is in front of a marina
If a boy is in front a marina then that means someone is in front of a marina
exists e1 x1 x2 x3 x4 x5.(in(e1,x4) & of(x4,x5) & n_marina(x5) & n_front(x4) & in(e1,x2) & n_harness(x2) & of(x2,x3) & n_bouncy(x3) & Theme(e1,x1) & v_suspend(e1) & n_boy(x1))
-exists p1 x1.(exists x2 x3.(in(x1,x2) & of(x2,x3) & n_marina(x3) & n_front(x2)) & n_one(x1))