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
f3g3
f3e4
f4d4
f4e4
f4f8
f4f7
f4f6
f4f5
g4g5

## Board State Fen
8/6k1/7p/7P/3p1RP1/5K2/3r4/8 w - - 3 69
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
f3g3
f3e4
f4d4
f4e4
f4f8
f4f7
f4f6
f4f5
g4g5

## Board State Fen
8/6k1/7p/7P/3p1RP1/5K2/3r4/8 w - - 3 69
assistant
f4f5