How the heck do I SPOILERS
get sandra to get in the boat?
END SPOILERS
This isn’t one I’ve heard of.
For spoiler space, you could always just put a bunch of single dots on lines by themselves.
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ways.
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Yeah, I was trying to get the color to match the gray background, but failed. So now it’s unreadable either way, highlighted or unhighlighted. 
It works fine highlighted for me – dark blue on white. You must be using a browser that does its highlighting differently. If needed, you can always edit your message and change it.
I got my answer on the IF mud…this game is an example of a misleading clue. However it’s partly my fault for attempting the wrong solution for such a long time.
I recommend this game though.