15. What command will change the working directory version of newmod.c to the version that was part of the commit with SHA 87ff65a? *
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Helen, who is blind and deaf, is answering the question "what did you think 'of the sight' when you were on top of the empire state building?".

Explanation:

She explains that, when visiting the Empire State Building, not being able to see was not an obstacle for her, as she felt its height, proximity to the cosmos, and the building´s power over New York, similarly to many vivid and beautiful experiences that seeing people can´t even imagine.

She claims that blind people can experience things in an extraordinary way, unattainable for those who can see.