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
b6b5
e6e5
f6f7
f6e5
g6g5
e7b4
e7c5
e7d6
e7d8
e7f8

## Board State Fen
8/4b1p1/1p2pkp1/p7/1P2p1PP/P1P1P3/5K2/5B2 b - - 0 54
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
b6b5
e6e5
f6f7
f6e5
g6g5
e7b4
e7c5
e7d6
e7d8
e7f8

## Board State Fen
8/4b1p1/1p2pkp1/p7/1P2p1PP/P1P1P3/5K2/5B2 b - - 0 54
assistant
g6g5