If your example were correct, wouldn't you simply do something like:

my @terms =('studying in', 'musing over', 'rifling through',
            'threading camels through a needle at' );
printf "Others %s the Monastery", $words[ int rand @words ];
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and get the desired result? I'm going to guess that the terms must come from a whitespace-delimited (undisclosed) storage location that doesn't parse phrases properly. But then again, it's only a guess, and I could be entirely wrong...