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
a3d3
a3c3
a3b3
a3a4
e3f4
e3f2
e3e2
e3d4
e3d3
e3d2
g5g4

## Board State Fen
8/8/2B5/6p1/P6p/r3k2P/6PK/8 b - - 5 42
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
a3d3
a3c3
a3b3
a3a4
e3f4
e3f2
e3e2
e3d4
e3d3
e3d2
g5g4

## Board State Fen
8/8/2B5/6p1/P6p/r3k2P/6PK/8 b - - 5 42
assistant
a3a2