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: at the end of the hundred years war the english only held

A: Calais
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Q: during diagenesis the sediments may undergo ___ changes

A: physical
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Q: when did they take prayer out of school

A:
1963
****