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
f2f4
f2f3
g2g4
g2g3
h2h1
h2g3
h2g1
b3b4
h3h4
d4a4
d4b4
d4c4
d4d1
d4d2
d4d3
d4d8
d4d7
d4d6
d4d5
e4e5

## Board State Fen
6k1/1p3pp1/p6p/8/3RP3/1P5P/1Pr2PPK/8 w - - 3 31
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
f2f4
f2f3
g2g4
g2g3
h2h1
h2g3
h2g1
b3b4
h3h4
d4a4
d4b4
d4c4
d4d1
d4d2
d4d3
d4d8
d4d7
d4d6
d4d5
e4e5

## Board State Fen
6k1/1p3pp1/p6p/8/3RP3/1P5P/1Pr2PPK/8 w - - 3 31
assistant
d4d8