After solving the Jindosh riddle, I confirmed there were already online guides. But I did not see any that provided the logical steps, so here those are. If it helps, read this as a spreadsheet.
The riddle's first paragraph
We start by making an empty chart.
We are most clearly told the name of the woman seated on the left, the color next to her, and (from the second paragraph) the drink in the center.
We next can see which two colors must be in the two right-most columns. This also specifies a drink.
The left-most woman has a different name from the name of the first woman mentioned. So the left-most woman must have the color whose city is known and be sitting next to a certain heirloom.
This puts the first woman mentioned in the center. We have now finished with the first paragraph.
The riddle's second paragraph
We have two options for the woman making a toast. If she is in the rightmost seat, this leads to a contradiction with the drinker known not to be in the center.
Therefore the woman making a toast must have the only heirloom known so far.
Next we have two options for the woman we know is sitting next to a certain drink and heirloom. The option right of center leads to a contradiction with the woman known to not be in the center
So we use the other option.
There is now only one option for the woman who had a wild youth.
Process of elimination adds the final city and name, and thus all the information but the never-mentioned heirloom (which is also now known by process of elimination).
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