Chapter - The Photo
The player holds a photo. Understand "photograph/pic/picture/folded/unfolded" as photo.
The photo can be open. The photo can be openable. The photo is closed and openable. The printed name of photo is "[if closed]folded [end if]photo". The description is "[if closed]You just can't deal with that right now. Maybe after you've spent more time brooding.[otherwise]It's [an ultrasound of Ocean's baby]." Inside the photo is an ultrasound of Ocean's baby. The description of ultrasound is "Your baby too."
Instead of opening photo when the number of retrieved memories is less than 4: try examining photo. Understand the command "unfold" as "open". Understand the command "fold" as "close".
Rule for reaching inside photo: say "Just a photo."; rule fails. Instead of inserting anything into photo: say "Just a photo."