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
a6a5
e6e5
f6f5
g6h5
g6f5
h7h5
h7h6
d8a8
d8b8
d8c8
d8d1
d8d2
d8d3
d8d4
d8d5
d8d6
d8d7
e8d6
e8c7
e8g7

## Board State Fen
3rnB2/1R5p/p3ppk1/2P3p1/8/2P4P/P4PP1/6K1 b - - 0 30
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
a6a5
e6e5
f6f5
g6h5
g6f5
h7h5
h7h6
d8a8
d8b8
d8c8
d8d1
d8d2
d8d3
d8d4
d8d5
d8d6
d8d7
e8d6
e8c7
e8g7

## Board State Fen
3rnB2/1R5p/p3ppk1/2P3p1/8/2P4P/P4PP1/6K1 b - - 0 30
assistant
d8c8