Why do some people in Canada think that grape flavoured drinks & food are officially “Grape Raisin” flavour?

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Why do some people in Canada think that grape flavoured drinks & food are officially “Grape Raisin” flavour?

The first new player to comment on the website with the correct answer wins a free drink at their next iQ Trivia quiz.
It’s one of the benefits (??) of being bilingual English/French.
Raisin is grape in French. And that’s what happens when you have bilingual labelling.