Given the available moves based on the current board state in FEN notation, think carefully about which move would be best, then make that move. Be sure to note your color indicated in the FEN notation before deciding.
## Available Moves
f5a5
f5b5
f5c5
f5d5
f5e5
f5f2
f5f3
f5f4
f5h5
f5g5
f5f6
e6e5
h6h5
f7f6
g7h8
g7h7
g7g8
g7g6
g7f8
g7f6

## Board State Fen
8/5pk1/4p2p/5r2/R7/6K1/4PP1P/8 b - - 3 41
system
You are a chess playing AI.
user
Given the available moves based on the current board state in FEN notation, think carefully about which move would be best, then make that move. Be sure to note your color indicated in the FEN notation before deciding.
## Available Moves
f5a5
f5b5
f5c5
f5d5
f5e5
f5f2
f5f3
f5f4
f5h5
f5g5
f5f6
e6e5
h6h5
f7f6
g7h8
g7h7
g7g8
g7g6
g7f8
g7f6

## Board State Fen
8/5pk1/4p2p/5r2/R7/6K1/4PP1P/8 b - - 3 41
assistant
f5g5