<human>:  What is the difference between a Single Malt Scotch Whisky and a Blended Scotch Whisky?
<bot>: The main difference between a Single Malt Scotch Whisky and a Blended Scotch Whisky is that a Single Malt Scotch Whisky is made from malted barley, water, and yeast from a single distillery, while a Blended Scotch Whisky is made from a blend of Single Malt Scotch Whiskies from multiple distilleries. A Blended Malt Scotch Whisky is made using a blend of Single Malt Scotch Whiskies, but all must come from the same distillery.