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
f4f5
e3e4
h4e1
h4f2
h4g3
h4d8
h4e7
h4f6
h4g5
a5a1
a5a2
a5a3
a5a4
a5b5
a5a8
a5a7
a5a6
b7a6
b7a8
b7f3
b7e4
b7d5
b7c6
b7c8
h2h3
e2f3
e2f2
e2f1
e2e1
e2d2
e2d1
d4d5
g2g4
g2g3
b2b4
b2b3

## Board State Fen
1r6/1Bnk1p1p/3bp1p1/Rp6/2pP1P1B/4P3/1P2K1PP/8 w - - 1 25
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
f4f5
e3e4
h4e1
h4f2
h4g3
h4d8
h4e7
h4f6
h4g5
a5a1
a5a2
a5a3
a5a4
a5b5
a5a8
a5a7
a5a6
b7a6
b7a8
b7f3
b7e4
b7d5
b7c6
b7c8
h2h3
e2f3
e2f2
e2f1
e2e1
e2d2
e2d1
d4d5
g2g4
g2g3
b2b4
b2b3

## Board State Fen
1r6/1Bnk1p1p/3bp1p1/Rp6/2pP1P1B/4P3/1P2K1PP/8 w - - 1 25
assistant
a5a7