A man is working out in the outdoors.
A dong is swimming.
A man is not the same thing as a dong.
exists e1 s1 x1 x2.(n_outdoors(x2) & in(e1,x2) & a_out(s1) & Manner(e1,s1) & Actor(e1,x1) & v_work(e1) & n_man(x1))
exists p1 x1.(exists x2.((x1 = x2) & n_swimming(x2)) & n_dong(x1))