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
b5c6
b5b6
b5a6
b5a4
g3f3
g3g1
g3g2
g3h3
g3g5
g3g4
g6g5

## Board State Fen
8/8/6pK/1k3p1p/1P3R1P/5Pr1/8/8 b - - 5 51
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
b5c6
b5b6
b5a6
b5a4
g3f3
g3g1
g3g2
g3h3
g3g5
g3g4
g6g5

## Board State Fen
8/8/6pK/1k3p1p/1P3R1P/5Pr1/8/8 b - - 5 51
assistant
b5b6