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
a4a5
g4h5
g4h4
g4f3
g8a8
g8b8
g8c8
g8d8
g8e8
g8f8
g8g5
g8g6
g8g7
g8h8

## Board State Fen
6R1/p7/1p2pk2/1P6/P1r2PKp/7P/8/8 w - - 9 41
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
a4a5
g4h5
g4h4
g4f3
g8a8
g8b8
g8c8
g8d8
g8e8
g8f8
g8g5
g8g6
g8g7
g8h8

## Board State Fen
6R1/p7/1p2pk2/1P6/P1r2PKp/7P/8/8 w - - 9 41
assistant
g8h8