**************** INPUT ****************
The genative case of single nouns is normally formed like this:

The fireworks known as Serpent's Eggs, or PHARAOH'S SERPENTS.

What should never happen is something like this:

At this suggestion Nellie'S face grew crimson.
**************** EXPECTED ****************

At this suggestion Nellie'S face grew crimson.
    Line 7 column 27 - Capital "S"?