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
a5a2
a5a3
a5a4
a5h5
a5g5
a5f5
a5e5
a5d5
a5c5
a5b5
a5a6
g6g5
c6c5
a7a6
b7b5
b7b6
f7f5
f7f6
f8g8
f8g7
f8e8
f8e7

## Board State Fen
5k2/pp3p2/2p3p1/r7/2P1P2R/1KP1P3/P5P1/8 b - - 8 25
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
a5a2
a5a3
a5a4
a5h5
a5g5
a5f5
a5e5
a5d5
a5c5
a5b5
a5a6
g6g5
c6c5
a7a6
b7b5
b7b6
f7f5
f7f6
f8g8
f8g7
f8e8
f8e7

## Board State Fen
5k2/pp3p2/2p3p1/r7/2P1P2R/1KP1P3/P5P1/8 b - - 8 25
assistant
f8g7