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
c5d4
c5c4
c5b5
c5b4
f7a7
f7b7
f7c7
f7d7
f7e7
f7f1
f7f2
f7f3
f7f4
f7f5
f7f6
f7h7
f7g7
f7f8

## Board State Fen
8/5r2/1P2R3/2k1p3/4P3/8/2K5/8 b - - 2 67
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
c5d4
c5c4
c5b5
c5b4
f7a7
f7b7
f7c7
f7d7
f7e7
f7f1
f7f2
f7f3
f7f4
f7f5
f7f6
f7h7
f7g7
f7f8

## Board State Fen
8/5r2/1P2R3/2k1p3/4P3/8/2K5/8 b - - 2 67
assistant
f7d7