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
a5a1
a5a2
a5a3
a5a4
a5h5
a5g5
a5f5
a5e5
a5d5
a5c5
a5b5
a5a8
a5a7
a5a6
f4f5
h3h4
f3g3
f3f2
f3e4
f3e2
g2g4
g2g3

## Board State Fen
8/5pk1/6p1/R6p/5P2/1r2PK1P/6P1/8 w - - 3 47
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
a5a1
a5a2
a5a3
a5a4
a5h5
a5g5
a5f5
a5e5
a5d5
a5c5
a5b5
a5a8
a5a7
a5a6
f4f5
h3h4
f3g3
f3f2
f3e4
f3e2
g2g4
g2g3

## Board State Fen
8/5pk1/6p1/R6p/5P2/1r2PK1P/6P1/8 w - - 3 47
assistant
g2g4