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
e5a5
e5b5
e5c5
e5d5
e5e1
e5e2
e5e3
e5e4
e5h5
e5g5
e5f5
e5e6
e7a3
e7b4
e7c5
e7d6
e7d8
e7h4
e7g5
e7f6
e7f8
f7f8
f7e8

## Board State Fen
8/4bk1K/2R4P/4r3/8/8/8/8 b - - 11 63
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
e5a5
e5b5
e5c5
e5d5
e5e1
e5e2
e5e3
e5e4
e5h5
e5g5
e5f5
e5e6
e7a3
e7b4
e7c5
e7d6
e7d8
e7h4
e7g5
e7f6
e7f8
f7f8
f7e8

## Board State Fen
8/4bk1K/2R4P/4r3/8/8/8/8 b - - 11 63
assistant
e5f5