Consider the statement: ‘The cake does not rise well unless the oven is preheated.’ Which of the following means the same?
Correct answer D. If the oven is not preheated, then the cake does not rise well.
Explanation
'X unless Y' means 'if not Y, then X'. Here, when the 'unless' condition fails, the main clause must hold; nothing is promised when the condition is met.
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