The Study

Nested hint: How can I get the sunglasses from on top of the bookcase?
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Nested hint: How can I get the sunglasses from on top of the fan?
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Nested hint: How can I get the sunglasses from the moose head?
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Nested hint: How do I get the sunglasses from the Venus fly trap's mouth?
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Nested hint: How do I get the sunglasses from the vase?
(sorry, cannot decode section)