Dear 100 Hour Board,
Sherlock Holmes is known for using his observational skills to deduce things about people, for example, someone with callouses on his hands being a laborer, etc.
If he were transported from his time to present day, what deductions would he get wrong because of the differences in the world between his day and ours? Like thinking someone in ripped jeans had been attacked or was poor, when in reality that's just the fashion.
My dear Watson,
Deduction is more than just facts and memorization. It also involves the power of intuition. So no, I may not always know why the jeans are ripped, but I can still deduce that they're tacky and that's what matters.