🧠 Trouble Doubled (Lost Piece Exercise)

Lost Piece Exercise: The audio will tell you the position of most of the pieces on the board. Can you work out where the missing piece is meant to be?

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FEN for today's exercise:
2r5/kp6/p1r5/8/8/4B3/5K2/8 w - - 0 1

And the answer is...
Nb5