Question: They are a joy for anyone interested as I am in the public understanding of science
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Answer: They are a joy for anyone interested as I am in the "public understanding of science".

Question: Souvenir shops and jewellers are open even though it is evening and Easter Sunday
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Answer: Souvenir shops and jewellers are open even though it is evening and Easter Sunday.

Question: Its most distinguished passengers are human beings
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Answer: Its most distinguished passengers are human beings.

Question: For example allergies and cancer could be included
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Answer:
For example, allergies and cancer could be included.