makes a placement and threatens to connect underneath. If blocks the connection, turns the eye into a false eye: if Black captures the two white stones, White ensures the false eye with a throw in at .
I thought the problems were suppose to get harder as you went along, not easier :) Maybe i'm just getting better!
heresiarch: Mayhaps, but it's also a decent rule of thumb that playing where your opponent would like to play is a good idea. I'm not sure how true it is, but my guess is that vital points are often vital for both sides, which is why this makes sense.