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
e4f5
e4f3
e4e5
e4d5
f4f1
f4f2
f4f3
f4f8
f4f7
f4f6
f4f5
g4g5

## Board State Fen
8/6k1/7p/7P/3pKRP1/8/8/3r4 w - - 5 70
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
e4f5
e4f3
e4e5
e4d5
f4f1
f4f2
f4f3
f4f8
f4f7
f4f6
f4f5
g4g5

## Board State Fen
8/6k1/7p/7P/3pKRP1/8/8/3r4 w - - 5 70
assistant
e4f5