Question: the mouth is filled and mute behind the thick layers.
Answer: --> The mouth is filled and mute behind the thick layers.

Question: her supervisor was henry whitehead who had been appointed to the waynflete chair of pure mathematics at oxford some six years earlier.
Answer: --> Her supervisor was Henry Whitehead who had been appointed to the Waynflete Chair of Pure Mathematics at Oxford some six years earlier.

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Answer:
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