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
e4e3
e4d5
e4d3

## Board State Fen
2r5/8/8/8/1K1nk2R/8/8/8 b - - 69 74
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
e4e3
e4d5
e4d3

## Board State Fen
2r5/8/8/8/1K1nk2R/8/8/8 b - - 69 74
assistant
e4e3