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
g5g4
b6b5
f6f5
a7a5
a7a6
d7a4
d7b5
d7c6
d7c8
d7h3
d7g4
d7f5
d7e6
d7e8
h7h5
h7h6
f8g8
f8g7
f8f7
f8e8
f8e7

## Board State Fen
5k2/p2b3p/1p3p2/4p1p1/1P2P3/P2BK1P1/4P2P/8 b - - 5 31
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
g5g4
b6b5
f6f5
a7a5
a7a6
d7a4
d7b5
d7c6
d7c8
d7h3
d7g4
d7f5
d7e6
d7e8
h7h5
h7h6
f8g8
f8g7
f8f7
f8e8
f8e7

## Board State Fen
5k2/p2b3p/1p3p2/4p1p1/1P2P3/P2BK1P1/4P2P/8 b - - 5 31
assistant
g5g4