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
a3a1
a3a2
a3f3
a3e3
a3d3
a3c3
a3b3
a3a8
a3a7
a3a6
a3a5
a3a4
g3h2
g3g2
g3f3
g3f2
h3h4

## Board State Fen
8/7k/4r3/6pp/8/R5KP/8/8 w - g6 0 48
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
a3a1
a3a2
a3f3
a3e3
a3d3
a3c3
a3b3
a3a8
a3a7
a3a6
a3a5
a3a4
g3h2
g3g2
g3f3
g3f2
h3h4

## Board State Fen
8/7k/4r3/6pp/8/R5KP/8/8 w - g6 0 48
assistant
a3a8