In this task, You are given an open-domain question that can be answered based on factual information. Your task is to provide \*short\* answer (in a few words only) for the given question. The short answer can be one or more entities or it can also be boolean \*yes\* or \*no\*.

Q: which metal is used as a thin film on sweets

A: silver
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Q: who sings don't call us we'll call you

A: Sugarloaf.
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Q: what is the main catholic church in london

A:
Westminster Cathedral
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