Final game making first couple leave drink (5)

I believe the answer is:

cider

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'drink' is the definition.
(cider is a kind of drink)

I cannot understand how the rest of the clue works.

(Other definitions for cider that I've seen before include "Apple-based drink" , "Alcoholic drink from fermented apple juice" , "Scrumpy" , "Drink made from apple juice" , "Alcohol from apples" .)

I've seen this clue in The Daily Express.

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