Lower Right

Why are there several questions here?

Erasmus might give you a bit of a hint.  If you've seen him, see the
appropriate question that follows.  Otherwise, choose one of the others.

Hint: I've seen Erasmus, and I want to reach the door [screen I].

Hint: I haven't seen Erasmus (answer #1).

Hint: I haven't seen Erasmus (answer #2).

Hint: (H)enry keeps knocking me off the cliff.