Little Green will examine them while saying "I had surmised as much, and took the initiative not to use it myself."

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knowledge-arcana - (d20+14)[33]
knowledge-local - (d20+14)[31]
knowledge-religion - (d20+14)[29]
knowledge-nature - (d20+14)[26]
knowledge-nobility and royalty - (d20+14)[27]
knowledge-history - (d20+14)[32]