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
g3a3
g3b3
g3c3
g3d3
g3e3
g3f3
g3g1
g3g2
g3h3
g3g8
g3g7
g3g6
g3g5
g3g4
e5f4
e5e4
e5d5
e5d4
f5f4

## Board State Fen
8/5K2/5R2/4kp1P/8/6r1/8/8 b - - 2 59
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
g3a3
g3b3
g3c3
g3d3
g3e3
g3f3
g3g1
g3g2
g3h3
g3g8
g3g7
g3g6
g3g5
g3g4
e5f4
e5e4
e5d5
e5d4
f5f4

## Board State Fen
8/5K2/5R2/4kp1P/8/6r1/8/8 b - - 2 59
assistant
f5f4