Final answer:
The true statement is that Genever is popular in Belgium and Holland. London Dry Gin can be made anywhere, Plymouth Gin must be made in Plymouth, and Sloe gin is not a form of brandy.
So The correct answer is option 3) Genever is popular in Belgium and Holland
Step-by-step explanation:
Option 3 is correct as Genever, a type of gin, is indeed popular in Belgium and Holland. Genever has historical roots in these regions and is considered the predecessor of modern gin.
It is a traditional juniper-flavored spirit that has a unique production process, distinguishing it from London Dry Gin or other types. Options 1, 2, and 4 are incorrect. London Dry Gin doesn't have to be made in London, Plymouth Gin must be made in Plymouth, and Sloe gin is not a form of brandy but rather a gin-based liqueur flavored with sloe berries.
The correct answer is Option 3) Genever is popular in Belgium and Holland