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
a5b4
a5a4
d5e5
d5d6
d5c6
b6b5
e6e5
f6c3
f6d4
f6e5
f6d8
f6e7
g7g6

## Board State Fen
8/6p1/1p2pb2/p2k2pP/1P2p1P1/P1P1P3/2K5/5B2 b - - 6 58
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
a5b4
a5a4
d5e5
d5d6
d5c6
b6b5
e6e5
f6c3
f6d4
f6e5
f6d8
f6e7
g7g6

## Board State Fen
8/6p1/1p2pb2/p2k2pP/1P2p1P1/P1P1P3/2K5/5B2 b - - 6 58
assistant
d5d6